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 #1E280A is the color #140A28

The HSL model was used to determine the complementary color

Input Color

HEX #1E280A
RGB 30, 40, 10
CMYK 25%, 0%, 75%, 84%
HSL 80°, 60%, 9.8%

Complementary Color

HEX #140A28
RGB 20, 10, 40
CMYK 50%, 75%, 0%, 84%
HSL 260°, 60%, 9.8%

Complementary color scheme

#140A28

#280A1E

#28140A

#1E280A

#0A2814