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 #31040D is the color #043128

The HSL model was used to determine the complementary color

Input Color

HEX #31040D
RGB 49, 4, 13
CMYK 0%, 92%, 73%, 81%
HSL 348°, 84.91%, 10.39%

Complementary Color

HEX #043128
RGB 4, 49, 40
CMYK 92%, 0%, 18%, 81%
HSL 168°, 84.91%, 10.39%

Complementary color scheme

#043128

#040D31

#280431

#31040D

#312804