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 #40274C is the color #334C27

The HSL model was used to determine the complementary color

Input Color

HEX #40274C
RGB 64, 39, 76
CMYK 16%, 49%, 0%, 70%
HSL 280.54°, 32.17%, 22.55%

Complementary Color

HEX #334C27
RGB 51, 76, 39
CMYK 33%, 0%, 49%, 70%
HSL 100.54°, 32.17%, 22.55%

Complementary color scheme

#334C27

#274C40

#27334C

#40274C

#4C2733