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 #551C1C is the color #1C5555

The HSL model was used to determine the complementary color

Input Color

HEX #551C1C
RGB 85, 28, 28
CMYK 0%, 67%, 67%, 67%
HSL 0°, 50.44%, 22.16%

Complementary Color

HEX #1C5555
RGB 28, 85, 85
CMYK 67%, 0%, 0%, 67%
HSL 180°, 50.44%, 22.16%

Complementary color scheme

#1C5555

#1C1C55

#551C55

#551C1C

#55551C