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 #0C0C28 is the color #28280C

The HSL model was used to determine the complementary color

Input Color

HEX #0C0C28
RGB 12, 12, 40
CMYK 70%, 70%, 0%, 84%
HSL 240°, 53.85%, 10.2%

Complementary Color

HEX #28280C
RGB 40, 40, 12
CMYK 0%, 0%, 70%, 84%
HSL 60°, 53.85%, 10.2%

Complementary color scheme

#28280C

#0C280C

#0C2828

#0C0C28

#280C28