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 #1A4D4D is the color #4D1A1A

The HSL model was used to determine the complementary color

Input Color

HEX #1A4D4D
RGB 26, 77, 77
CMYK 66%, 0%, 0%, 70%
HSL 180°, 49.51%, 20.2%

Complementary Color

HEX #4D1A1A
RGB 77, 26, 26
CMYK 0%, 66%, 66%, 70%
HSL 0°, 49.51%, 20.2%

Complementary color scheme

#4D1A1A

#4D4D1A

#1A4D1A

#1A4D4D

#1A1A4D