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 #0C2828 is the color #280C0C

The HSL model was used to determine the complementary color

Input Color

HEX #0C2828
RGB 12, 40, 40
CMYK 70%, 0%, 0%, 84%
HSL 180°, 53.85%, 10.2%

Complementary Color

HEX #280C0C
RGB 40, 12, 12
CMYK 0%, 70%, 70%, 84%
HSL 0°, 53.85%, 10.2%

Complementary color scheme

#280C0C

#28280C

#0C280C

#0C2828

#0C0C28