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 #F12F21 is the color #21E3F1

The HSL model was used to determine the complementary color

Input Color

HEX #F12F21
RGB 241, 47, 33
CMYK 0%, 80%, 86%, 5%
HSL 4.04°, 88.14%, 53.73%

Complementary Color

HEX #21E3F1
RGB 33, 227, 241
CMYK 86%, 6%, 0%, 5%
HSL 184.04°, 88.14%, 53.73%

Complementary color scheme

#21E3F1

#2F21F1

#F121E3

#F12F21

#E3F121