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 #309D9D is the color #9D3030

The HSL model was used to determine the complementary color

Input Color

HEX #309D9D
RGB 48, 157, 157
CMYK 69%, 0%, 0%, 38%
HSL 180°, 53.17%, 40.2%

Complementary Color

HEX #9D3030
RGB 157, 48, 48
CMYK 0%, 69%, 69%, 38%
HSL 0°, 53.17%, 40.2%

Complementary color scheme

#9D3030

#9D9D30

#309D30

#309D9D

#30309D