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 #7B1420 is the color #147B6F

The HSL model was used to determine the complementary color

Input Color

HEX #7B1420
RGB 123, 20, 32
CMYK 0%, 84%, 74%, 52%
HSL 353.01°, 72.03%, 28.04%

Complementary Color

HEX #147B6F
RGB 20, 123, 111
CMYK 84%, 0%, 10%, 52%
HSL 173.01°, 72.03%, 28.04%

Complementary color scheme

#147B6F

#14207B

#6F147B

#7B1420

#7B6F14