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 #313C3D is the color #3D3231

The HSL model was used to determine the complementary color

Input Color

HEX #313C3D
RGB 49, 60, 61
CMYK 20%, 2%, 0%, 76%
HSL 185°, 10.91%, 21.57%

Complementary Color

HEX #3D3231
RGB 61, 50, 49
CMYK 0%, 18%, 20%, 76%
HSL 5°, 10.91%, 21.57%

Complementary color scheme

#3D3231

#3C3D31

#313D32

#313C3D

#32313D