Blue is one of the three primary colors. It sits between violet and green on the color wheel. Colors that are similar to blue are dark blue, blue gray, blue green, midnight blue. The hex code for color blue is #0000FF.

The history of color blue

According to some evidence, humans started developing blue colorants 5,000 years ago. The semi-precious stone Lapis Lazuli, a deep-blue metamorphic rock, was highly prized among the Egyptians.

During the Renaissance, this bright blue mineral was often combined with other ingredients, which led to development of the pigment Ultramarine, the most expensive of all pigments. Afterwards, blue dyes were spread throughout the world.

In the 19th century, organic dyes were replaced by synthetic blue dyes. Soon after, dark blue was used for military uniforms, and in the 20th century, it was one of the most popular colors for business suits.

The psychology of color blue

Color blue is non-confrontational; it promotes peace and tranquility. Some of the descriptions for color blue include calmness and serenity.

Blue is often described as peaceful, tranquil, and even orderly. This may be due to our perception of oceans as blue. For some people, blue can appear as a mentally soothing color.

Surveys show that blue is the least appetizing color as well, which explains why some weight loss plans suggest eating food of a blue plate. It is found that blue lowers blood pressure, thus, slows down heart rate, because of which a body becomes relaxed.

Due to the combination of calming and mentally stimulating effects, color blue can even increase productivity. Being associated with trust and dependability, blue has been chosen for a color that will be used by law enforcement officers around the world. The idea behind blue uniforms is that blue should represent authoritative, but calm and confident figure, just like the color itself.

The blue personality type

People who favor color blue are confident, loyal, calm. They don’t like attention, they prefer to blend in with the crowd. Usually, people who love this color are introverts. They can spend a lot of time analyzing their own thoughts and emotions.

They do the same with others, which makes them good listeners and great friends. They prefer strong, deep relationships, compared to superficial ones. Even though, they are at risk of becoming emotionally dependent. They sometimes have a hard time letting go of the past. Ruminating on mistakes often drains their energy.

They avoid conflicts, and for them, one of the most important things in a relationship is the ability to communicate in an open and honest manner. Blues are a great choice for someone who likes romantic and nurturing partners.

People with the blue personality are often affectionate, sensitive and warm. Besides that, their partners never lack support and encouragement. It seems that, sometimes, blues’ life purpose is linked with their ability to contribute to other people’s well-being.

Negative characteristics of color blue

Blue can sometimes appear icy, cold, unfriendly. The expression ’feeling blue’ refers to its ability to evoke feelings of sadness and depression.

People who choose color blue over other colors tend to be too cautious, anxious, and they are reluctant to give up control. When overwhelmed, they act out or become indifferent, which is why others sometimes find them too cold-hearted. Their predictability often makes them monotonous or even boring. They lack a sense of adventure and spontaneity.

Color blue in business

Blue is the color of trust. It suggests loyalty and integrity, which is why it is a great choice for businesses that want to project dependability, security, and peacefulness. Different hues of blue in branding and advertising can help manifest all the positive aspects of the color.

Since blue is associated with trustworthiness and dependability, offices that are painted in this color can improve business partnerships. Blue also stands for calmness, responsibility, relaxation, thus, it can increase motivation in the workplace, but also create a relaxing and comfortable atmosphere.

Blue is favored by both men and women, which is another good reason to use it for the business.

Color blue in web design

Blue is currently considered one of the most demanding colors for web designers. Because of its common use, it has become too ordinary over time.

Some of the most popular websites, such as Facebook, Twitter, Foursquare, in the world have been using blue color schemes. However, they did it for a reason. Blue websites appear cool, transparent, clean, modern. They give the appearance of power, but also safety.

Combining blue with different shades of grey can make a website look high-tech and sleek. Lighter shades of blue are mostly used for websites that are about health and wellness, travel, relaxation. Patriotic organizations, legal firms, sports team usually use darker shades.

Color blue in marketing

Blue is frequently used for social media logos. One reason for that is that blue represents intelligence, communication and trust. In fact, out of all the colors on the color wheel, blue is by far the most trustworthy one. That is one of the main reasons why blue is a popular choice in marketing.

Besides that, studies have shown that people are 15 percent more likely to go to stores that are painted in the hue such as blue, rather than a warm color. Blue is non-invasive and suggests loyalty and reliability.

It is also one of the rare colors that is favored by people of all ages. While it can suggest professionalism and authority in one moment, in the other, it inspires friendliness and security.  

Information about Blue / #0000FF

In a RGB color space (made from three colored lights for red, green, and blue), hex #0000FF is made of 0% red, 0% green and 100% blue. In a CMYK color space (also known as process color, or four color, and used in color printing), hex #0000FF is made of 100% cyan, 100% magenta, 0% yellow and 0% black. Blue has a hue angle of 240 degrees, a saturation of 100% and a lightness of 50%.

Color conversion

The hexadecimal color #0000FF has RGB values of R: 0, G: 0, B: 100 and CMYK values of C: 1, M: 1, Y: 0, K:0.

 VALUECSS
HEX0000ff

 

#0000ff

 

RGB DECIMAL

 

0, 0, 255

 

rgb(0, 0, 255)

 

RGB PERCENTAGE

 

0, 0, 100

 

rgb(0%, 0%, 100%)

 

CMYK

 

100, 100, 0, 0

 

 
HSL

 

240°, 100, 50

 

hsl(240°, 100%, 50%)

 

HSV (OR HSB)

 

240°, 100, 100

 

 
WEB SAFE

 

0000ff

 

#0000ff

 

CIE-LAB

 

32.297, 79.188, -107.86

 

 
XYZ

 

18.044, 7.218, 95.03

 

 
XYY

 

0.15, 0.06, 7.218

 

 
CIE-LCH

 

32.297, 133.808, 306.285

 

 
CIE-LUV

 

32.297, -9.405, -130.342

 

 
HUNTER-LAB

 

26.865, 75.488, -199.778

 

 
BINARY

 

00000000, 00000000, 11111111

 

 
33 comments
  1. I consider myself to be a blue, but romance is something I do not have in me. So am I still a blue? And for those wondering, lack of romance has been and will be quite convenient for me, due to constant hard work (filming, teaching, researching, editing, philosophy, and a make-the-world-a-better-place project). On a side note, the psychology of colors is quite interesting to me, and I hope to incorporate it into more of my work.

      1. Hello Matthew C,
        It I true, we are struggling with the same thing, I’ve had three break-ups, I’ve been accused of being more formal than romantic, and that is interpreted as not being in love or as not being caring.
        I have my projects to make the world a better place, but it is not an excuse for not being romantic, I just find it proper that there’s time for everything, and I don’t know how to act except to be cool and orderly.
        Being blue is fun except when you do a mistake of falling in love.

  2. Hello. I am in 9th grade. I have been researching about color psychology for 2 years. There is this one thing that I am deeply curious about, that I cannot find the answer to.

    When I went around information (your site as well), I found many saying that the color blue showed emotions of peace and trust, and I agree with it since blue is the color a lot of insurance and bank companies use.

    However, when I surveyed 60 people from my school, almost all of them answered that when they see blue, it reminds them sadness and restless. They also said green gives them the feeling of safety and trust.

    Could you tell me why there is a huge difference as written above between professional researches and individual ideas?

    I need to make a report to submit for school.

    Thank you!

    1. Hi Mona,

      I think the main factor is context. In terms of logos and brand identities, blue reflects a cool professionalism. However, if it is just on its own or used as the main color in a painting or larger work of art, that “sedating” effect can be amplified and it can cause a more serene, solemn or in some cases sad feeling. In fact, the word “blue” is sometimes used as a synonym for sad.

      The saturation level of color plays a role, too. Bright blue or a pleasant sky blue tend to have a more cheerful effect, while a muted or grayish-blue can be more sedating and introspective.

      Hope this helps!

  3. Thanks for the article on blue, which is one of my favorite colors. I noticed that a lot of companies in the pharmaceutical and medical industry use blue, green, and white. I’m guessing this is because they all have such a strong connotation with being related to healthcare in someway. However, I’d be interested to know if there are any clinical tests that show how people positively respond to these different colors.

    1. Hi Blissful,

      Yes, numerous studies have been done about human color responses. One marketing study found that color helps to improve brand recognition by up to 80 percent. Studies about the color blue have linked it with creativity and tranquility. Researchers believe this is due to the associations of blue with the sky, the sea and relaxing feelings. Blue is also perceived as “competent,” which would be valuable to a healthcare company’s image.

      Also, numerous studies have shown people experience green as calming and connected with nature, health, sustainability and durability, while white is associated with freshness, cleanliness and hope. It’s no wonder that these colors are so often used in healthcare industry marketing.

  4. A study says that with blue rooms you have better sleep quality. But which blue? Sky blue? Navy blue? Royal blue? Or any blue?

    Thanks

  5. WELL IM ALWAYS BLUE SINCE I WAS A KID BUT I SEE MYSELF 3 OR FOUR DIFFERENT COLORS CAN I BE VARIETY OF COLORS AND OF COURSE DO YOU BELIEVE IN GOD. ALSO I AGREE WITH A LOT OF THE MEANING BUT I HAVE ANGER AND IM VERY PROTECTIVE OF MY LOVED ONES IF THATS FRIENDS FAMILY EXT. AND IM NOT AFRAID TO GIVE UP MY LIFE TO SAVE OTHERS OR DO ALL PEOPLE HAVE THAT TRAIT. QUESTION I TEND TO GET ENERGY OR BOOST OF ENERGY THROUGH THE DAYS BUT EVEN AT WORK WHEN PEOPLE GET TIRED I GET MORE ENERGY NOT ALL THE TIME BUT WHEN I NEED IT I SOMETIMES CAN GET IT LIKE IM SUMMONS THIS ENERGY OR CALLING IT OR AWAKENING IT

  6. I have read that only 7% of receptors in our eyes are blue sensitive which are S Cones and other L and M cones are Red and Green sensitive.

    The question is if our eyes are only 7% sensitive to blue how do we see every blue so loud and clear. Why don’t we miss any?

    Does this practically make all humans dichromatic?

  7. I’m blue da ba de da be di da ba de da ba di
    I’m blue da be de da ba di da ba de da ba di da ba di da ba di

  8. Thanks it’s very usefull for me to know my friend personality so i want to say thanks for the good information

    Sorry if my english is not so good
    Couse i from indonesia(14 years old)

  9. I love blue and always have. This definition sums me up almost completely except for the social aspect and having close friends. Besides my lover/husband/best friend, I need my good friends and love to socialize a few times a month. Otherwise blue is me!!!!!

  10. Well, my favorite color is Blue and Gray and I also found out what color gray means in your site from your article color blue is what really my personality is, I often use in my things and in my room is the Sky blue color. But then I search for Gray because it’s my favorite color too and I always match it with my things and clothes, and even furniture. Then I fount out as I analyze it that the personality of color gray is contradiction to the personality of color blue. Lol hahah! But then psychologically I conclude that I am naturally a person who is blue but trying hard to be a gray? And yeah i found myself like this…

    Im sociable but sometimes I am admiring those people who are not sociable. I’m a person always surrounded by my friends and I can’t live without it. But then sometimes I just want to be alone and be quiet for some reasons. Most of the time I am open to everyone but again there’s area in my life that I don’t want to share, need of privacy. I envious the people like gray because they can be alone, but I can too if I will. but most of the time I’m not.

    Therefore I conclude. I’m a person who is Blue and want to have a person in my side like Gray. ^_^

    I will find a person like Gray. This is my totally opposite character. hahah!! Thank you for this, my friend. It helps a lot! ^_^ Godbless you!

  11. Blue represents both the sky and the sea, and is associated with open spaces, freedom, intuition, imagination, expansiveness, inspiration, and sensitivity. Blue also represents meanings of depth, trust, loyalty, sincerity, wisdom, confidence, stability, faith, heaven, and intelligence.

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