Find hex, RGB and CMYK color values of various shades of blue for your digital art or web design projects. Learn how to use these codes in html and css and see examples of blue color chart. There are a huge number of shades of blue, unsurprising since blue is the most popular color in much of the world. These include lighter varieties such as turquoise, powder blue, sky blue and periwinkle, and darker shades like ultramarine, navy blue, sapphire, midnight blue, and teal. The hexadecimal RGB code of Blue color is #0000FF and the decimal is rgb (0,0,255). The red-green-blue components are 00 (0) red, 00 (0) green and FF (255) blue. Find over 150 shades of blue color with their names and their Hex, RGB, and CMYK codes. Learn about the meanings and uses of different shades of blue in various contexts.