In a RGB color space, hex #663399 is composed of 40% red, 20% green and 60% blue. Whereas in a CMYK color space, it is composed of 33.3% cyan, 66.7% magenta, 0% yellow and 40% black. It has a hue angle of 270 degrees, a saturation of 50% and a lightness of 40%. #663399 color hex could be obtained by blending #cc66ff with #000033. #663399 (or #639) is a websafe color.

The hexadecimal color #663399 has RGB values of R:102, G:51, B:153 and CMYK values of C:0.33, M:0.67, Y:0, K:0.4. Its decimal value is 6697881.

• Hex triplet 663399

  #663399

• RGB Decimal 102, 51, 153

  rgb(102,51,153)

• RGB Percent 40, 20, 60

  rgb(40%,20%,60%)

• CMYK 33, 67, 0, 40
• HSL 270°, 50, 40

  hsl(270,50%,40%)

• HSV (or HSB) 270°, 66.7, 60
• Web Safe 663399

  #663399

• CIE-LAB 32.903, 42.885, -47.154
• XYZ 12.412, 7.492, 30.928
• xyY 0.244, 0.147, 7.492
• CIE-LCH 32.903, 63.739, 312.285
• CIE-LUV 32.903, 12.979, -67.762
• Hunter-Lab 27.372, 33.04, -47.83
• Binary 01100110, 00110011, 10011001

Below, you can see how #663399 is perceived by people affected by a color vision deficiency. This can be useful if you need to ensure your color combinations are accessible to color-blind users.