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 #1B4C55 is the color #55241B

The HSL model was used to determine the complementary color

Input Color


HEX #1B4C55
RGB 27, 76, 85
CMYK 68%, 11%, 0%, 67%
HSL 189.31°, 51.79%, 21.96%

Complementary Color


HEX #55241B
RGB 85, 36, 27
CMYK 0%, 58%, 68%, 67%
HSL 9.31°, 51.79%, 21.96%

Complementary color scheme

#55241B
#4C551B
#1B5524
#1B4C55
#241B55