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 #0C180F is the color #180C15

The HSL model was used to determine the complementary color

Input Color

HEX #0C180F
RGB 12, 24, 15
CMYK 50%, 0%, 38%, 91%
HSL 135°, 33.33%, 7.06%

Complementary Color

HEX #180C15
RGB 24, 12, 21
CMYK 0%, 50%, 13%, 91%
HSL 315°, 33.33%, 7.06%

Complementary color scheme

#180C15

#180F0C

#15180C

#0C180F

#0C1518