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 #140A2B is the color #212B0A

The HSL model was used to determine the complementary color

Input Color

HEX #140A2B
RGB 20, 10, 43
CMYK 53%, 77%, 0%, 83%
HSL 258.18°, 62.26%, 10.39%

Complementary Color

HEX #212B0A
RGB 33, 43, 10
CMYK 23%, 0%, 77%, 83%
HSL 78.18°, 62.26%, 10.39%

Complementary color scheme

#212B0A

#0A2B14

#0A212B

#140A2B

#2B0A21