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 #120B0C is the color #0B1211

The HSL model was used to determine the complementary color

Input Color

HEX #120B0C
RGB 18, 11, 12
CMYK 0%, 39%, 33%, 93%
HSL 351.43°, 24.14%, 5.69%

Complementary Color

HEX #0B1211
RGB 11, 18, 17
CMYK 39%, 0%, 6%, 93%
HSL 171.43°, 24.14%, 5.69%

Complementary color scheme

#0B1211

#0B0C12

#110B12

#120B0C

#12110B