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 #0C2528 is the color #280F0C

The HSL model was used to determine the complementary color

Input Color

HEX #0C2528
RGB 12, 37, 40
CMYK 70%, 7%, 0%, 84%
HSL 186.43°, 53.85%, 10.2%

Complementary Color

HEX #280F0C
RGB 40, 15, 12
CMYK 0%, 63%, 70%, 84%
HSL 6.43°, 53.85%, 10.2%

Complementary color scheme

#280F0C

#25280C

#0C280F

#0C2528

#0F0C28