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 #9C2121 is the color #219C9C

The HSL model was used to determine the complementary color

Input Color

HEX #9C2121
RGB 156, 33, 33
CMYK 0%, 79%, 79%, 39%
HSL 0°, 65.08%, 37.06%

Complementary Color

HEX #219C9C
RGB 33, 156, 156
CMYK 79%, 0%, 0%, 39%
HSL 180°, 65.08%, 37.06%

Complementary color scheme

#219C9C

#21219C

#9C219C

#9C2121

#9C9C21