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 #210521 is the color #052105

The HSL model was used to determine the complementary color

Input Color

HEX #210521
RGB 33, 5, 33
CMYK 0%, 85%, 0%, 87%
HSL 300°, 73.68%, 7.45%

Complementary Color

HEX #052105
RGB 5, 33, 5
CMYK 85%, 0%, 85%, 87%
HSL 120°, 73.68%, 7.45%

Complementary color scheme

#052105

#052121

#050521

#210521

#210505