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 #3F7D71 is the color #7D3F4B

The HSL model was used to determine the complementary color

Input Color

HEX #3F7D71
RGB 63, 125, 113
CMYK 50%, 0%, 10%, 51%
HSL 168.39°, 32.98%, 36.86%

Complementary Color

HEX #7D3F4B
RGB 125, 63, 75
CMYK 0%, 50%, 40%, 51%
HSL 348.39°, 32.98%, 36.86%

Complementary color scheme

#7D3F4B

#7D713F

#4B7D3F

#3F7D71

#3F4B7D