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 #CD0021 is the color #00CDAB

The HSL model was used to determine the complementary color

Input Color


HEX #CD0021
RGB 205, 0, 33
CMYK 0%, 100%, 84%, 20%
HSL 350.34°, 100%, 40.2%

Complementary Color


HEX #00CDAB
RGB 0, 205, 171
CMYK 100%, 0%, 17%, 20%
HSL 170.05°, 100%, 40.2%

Complementary color scheme

#00CDAB
#0022CD
#AB00CD
#CD0022
#CDAB00