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 #1B5053 is the color #531E1B

The HSL model was used to determine the complementary color

Input Color

HEX #1B5053
RGB 27, 80, 83
CMYK 67%, 4%, 0%, 67%
HSL 183.21°, 50.91%, 21.57%

Complementary Color

HEX #531E1B
RGB 83, 30, 27
CMYK 0%, 64%, 67%, 67%
HSL 3.21°, 50.91%, 21.57%

Complementary color scheme

#531E1B

#50531B

#1B531E

#1B5053

#1E1B53