How to determine complementary colors?
What are the different color models?

Determine Complementary Color

140 color names
216 web safe colors
2040 RAL colors
200 shades of gray

The complementary color of #CD2B2B is the color #2BCDCD

The HSL model was used to determine the complementary color

Input Color


HEX #CD2B2B
RGB 205, 43, 43
CMYK 0%, 79%, 79%, 20%
HSL 0°, 65.32%, 48.63%

Complementary Color


HEX #2BCDCD
RGB 43, 205, 205
CMYK 79%, 0%, 0%, 20%
HSL 180°, 65.32%, 48.63%

Complementary color scheme

#2BCDCD
#2B2BCD
#CD2BCD
#CD2B2B
#CDCD2B