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 #1B4454 is the color #542A1B

The HSL model was used to determine the complementary color

Input Color


HEX #1B4454
RGB 27, 68, 84
CMYK 68%, 19%, 0%, 67%
HSL 196.84°, 51.35%, 21.76%

Complementary Color


HEX #542A1B
RGB 84, 42, 27
CMYK 0%, 50%, 68%, 67%
HSL 15.79°, 51.35%, 21.76%

Complementary color scheme

#542A1B
#45541B
#1B542A
#1B4554
#2A1B54