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 #040C1C is the color #1C1404

The HSL model was used to determine the complementary color

Input Color

HEX #040C1C
RGB 4, 12, 28
CMYK 86%, 57%, 0%, 89%
HSL 220°, 75%, 6.27%

Complementary Color

HEX #1C1404
RGB 28, 20, 4
CMYK 0%, 29%, 86%, 89%
HSL 40°, 75%, 6.27%

Complementary color scheme

#1C1404

#0C1C04

#041C14

#040C1C

#14041C