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 #219B9B is the color #9B2121

The HSL model was used to determine the complementary color

Input Color

HEX #219B9B
RGB 33, 155, 155
CMYK 79%, 0%, 0%, 39%
HSL 180°, 64.89%, 36.86%

Complementary Color

HEX #9B2121
RGB 155, 33, 33
CMYK 0%, 79%, 79%, 39%
HSL 0°, 64.89%, 36.86%

Complementary color scheme

#9B2121

#9B9B21

#219B21

#219B9B

#21219B