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24 Interesting Facts About The Color Blue

Blue is a cool colour, it’s the colour of the sky and sea. It symbolises stability, loyalty, confidence, intelligence and peace. Read the facts!

  1. Studies show weight-lifters are able to handle heavier weights in blue gyms.
  2. In ancient Rome, blue was worn by the public servants, which marked the beginning of the idea for today’s police uniforms.
  3. In factories, blue often marks equipment to be repaired.
  4. Blue is associated with air mail and the navy.
  5. A survey has shown blue to be the best-selling colour in women’s sweaters because women think men like it.
  6. It is the colour most preferred by men.
  7. The colour blue has a Biblical meaning symbolizing heavenly grace. The Virgin Mary is often depicted wearing blue clothing.
  8. In India, blue is thought to bring bad luck and is associated with mourning.
  9. Blue was traditionally associated with pain in China.
  10. Blue is a primary colour.
  11. 8% of the world’s population have blue eyes.
  12. In the UK, a blue ribbon can be the symbol of testicular cancer awareness.
  13. In the United States post office mailboxes are typically blue.
  14. Blue is the favoured colour choice for toothbrushes.
  15. The colour blue is the least common colour in the foods we eat.
  16. Blueberries are the favourite of blue foods.
  17. Mosquitoes are attracted to the colour blue twice as much as to any other colour.
  18. Blue birds can’t see the colour blue.
  19. Owls are the only birds who can see the colour blue!
  20. Light blue was first recorded as a colour term in English in 1915.
  21. Blue is often used to decorate offices because research has shown that people are more productive in blue rooms.
  22. Blue Skittles were not out until 15 years after the original Skittles.
  23. The phrase ‘Feeling blue’ means to feel sad or unhappy.
  24. The phrase ‘once in a blue moon’ means an event that occurs infrequently.


About the Author

Luke Ward
Luke Ward is the founder of The Fact Site. He's a professional blogger & researcher with over 10 years’ experience in fact finding, SEO & web design. In his spare time he loves to travel and drink coffee.


  1. smarty pants - 25 March 2014 - Reply

    blue smarties got banned

  2. Megan Bailey - 23 June 2013 - Reply

    My eyes are dark blue around the edges and light blue in the center . I have been told that my eyes look white. And some times when I’m sleepy or angry they are darker .

  3. Niall Horan lover - 13 October 2012 - Reply

    my eyes are blue

  4. Buy Essays - 15 June 2011 - Reply

    After reading your post i have a better understanding of facts… It has great details and yet it is easy to understand. Thanks

  5. guest - 9 May 2011 - Reply

    what about wearing blue on valentines day?

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