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 #309B9B is the color #9B3030

The HSL model was used to determine the complementary color

Input Color

HEX #309B9B
RGB 48, 155, 155
CMYK 69%, 0%, 0%, 39%
HSL 180°, 52.71%, 39.8%

Complementary Color

HEX #9B3030
RGB 155, 48, 48
CMYK 0%, 69%, 69%, 39%
HSL 0°, 52.71%, 39.8%

Complementary color scheme

#9B3030

#9B9B30

#309B30

#309B9B

#30309B