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 #21517A is the color #7A4921

The HSL model was used to determine the complementary color

Input Color


HEX #21517A
RGB 33, 81, 122
CMYK 73%, 34%, 0%, 52%
HSL 207.64°, 57.42%, 30.39%

Complementary Color


HEX #7A4921
RGB 122, 73, 33
CMYK 0%, 40%, 73%, 52%
HSL 26.97°, 57.42%, 30.39%

Complementary color scheme

#7A4921
#527A21
#217A49
#21527A
#49217A