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 #182C3C is the color #3C2818

The HSL model was used to determine the complementary color

Input Color


HEX #182C3C
RGB 24, 44, 60
CMYK 60%, 27%, 0%, 76%
HSL 206.67°, 42.86%, 16.47%

Complementary Color


HEX #3C2818
RGB 60, 40, 24
CMYK 0%, 33%, 60%, 76%
HSL 26.67°, 42.86%, 16.47%

Complementary color scheme

#3C2818
#2C3C18
#183C28
#182C3C
#28183C