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 #802121 is the color #218080

The HSL model was used to determine the complementary color

Input Color

HEX #802121
RGB 128, 33, 33
CMYK 0%, 74%, 74%, 50%
HSL 0°, 59.01%, 31.57%

Complementary Color

HEX #218080
RGB 33, 128, 128
CMYK 74%, 0%, 0%, 50%
HSL 180°, 59.01%, 31.57%

Complementary color scheme

#218080

#212180

#802180

#802121

#808021