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 #12161B is the color #1B1712

The HSL model was used to determine the complementary color

Input Color

HEX #12161B
RGB 18, 22, 27
CMYK 33%, 19%, 0%, 89%
HSL 213.33°, 20%, 8.82%

Complementary Color

HEX #1B1712
RGB 27, 23, 18
CMYK 0%, 15%, 33%, 89%
HSL 33.33°, 20%, 8.82%

Complementary color scheme

#1B1712

#161B12

#121B17

#12161B

#17121B