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 #1B1D3C is the color #3C3A1B

The HSL model was used to determine the complementary color

Input Color


HEX #1B1D3C
RGB 27, 29, 60
CMYK 55%, 52%, 0%, 76%
HSL 236.36°, 37.93%, 17.06%

Complementary Color


HEX #3C3A1B
RGB 60, 58, 27
CMYK 0%, 3%, 55%, 76%
HSL 56.36°, 37.93%, 17.06%

Complementary color scheme

#3C3A1B
#1D3C1B
#1B3C3A
#1B1D3C
#3A1B3C