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 #2121B6 is the color #B6B621

The HSL model was used to determine the complementary color

Input Color

HEX #2121B6
RGB 33, 33, 182
CMYK 82%, 82%, 0%, 29%
HSL 240°, 69.3%, 42.16%

Complementary Color

HEX #B6B621
RGB 182, 182, 33
CMYK 0%, 0%, 82%, 29%
HSL 60°, 69.3%, 42.16%

Complementary color scheme

#B6B621

#21B621

#21B6B6

#2121B6

#B621B6