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 #D73131 is the color #31D7D7

The HSL model was used to determine the complementary color

Input Color

HEX #D73131
RGB 215, 49, 49
CMYK 0%, 77%, 77%, 16%
HSL 0°, 67.48%, 51.76%

Complementary Color

HEX #31D7D7
RGB 49, 215, 215
CMYK 77%, 0%, 0%, 16%
HSL 180°, 67.48%, 51.76%

Complementary color scheme

#31D7D7

#3131D7

#D731D7

#D73131

#D7D731