Darker shades of blue include ultramarine, cobalt blue, navy blue, and Prussian blue; while lighter tints include sky blue, azure, and Egyptian blue (for a more complete list see the List of colours). Blue is one of the colors of the rainbow that people can see. It is one of the primary colors (colors that can be mixed with other colors) of light, along with red and green. · Get ready for an unforgettable night with BLUE, the iconic British boyband behind timeless hits like All Rise, One Love, and Best in Me! Experience their exclusive live concert in … Blue, in physics, light in the wavelength range of 450–495 nanometers in the visible spectrum. In art, blue is a color on the conventional wheel, located between green and violet and opposite … · The idea behind blue uniforms is that blue should convey an authoritative yet calm and confident presence, just like the color itself. The various shades of blue promote positive … BLUE definition: 1. of the colour of the sky without clouds on a bright day, or a darker or lighter type of this…. Learn more. The blue hex code is #0000FF. From here blue would go on to live a long life in the world of art, from stained glass windows in the Middle Ages, fine blue and white porcelain in China through … Blue was associated with the barbaric Celts who supposedly dyed their bodies blue for battle, women with blue eyes were thought to have loose morals, and descriptions of the rainbow in...