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 #21214B is the color #4B4B21

The HSL model was used to determine the complementary color

Input Color

HEX #21214B
RGB 33, 33, 75
CMYK 56%, 56%, 0%, 71%
HSL 240°, 38.89%, 21.18%

Complementary Color

HEX #4B4B21
RGB 75, 75, 33
CMYK 0%, 0%, 56%, 71%
HSL 60°, 38.89%, 21.18%

Complementary color scheme

#4B4B21

#214B21

#214B4B

#21214B

#4B214B