Blue may refer to any of the following:

  1. Blue is a color that resembles the day sky. For example, this text is blue. As an HTML color code, blue is represented as #0000FF or #00F in CSS shorthand, which is hexadecimal for 0 red, 0 green, and 255 blue.

  2. With color-coded ports, blue is the color used to identify the VGA port for a VGA cable connected to a monitor. See our color-coded page for further information and other color-coded colors.

If a link color is not defined, a browser defaults the color to blue.

  • #0000FF (blue) color code and similar colors.
  • #00008B (darkblue) color code and similar colors.
  • #ADD8E6 (lightblue) color code and similar colors.
  • How to change the font color, size, style, or type in Word.
  • All color-related questions and answers.
  • See our HTML color codes page for a full listing of colors, including other shades of blue.

Blue light, Color, Color terms