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 #1A4F80 is the color #804A1A

The HSL model was used to determine the complementary color

Input Color

HEX #1A4F80
RGB 26, 79, 128
CMYK 80%, 38%, 0%, 50%
HSL 208.82°, 66.23%, 30.2%

Complementary Color

HEX #804A1A
RGB 128, 74, 26
CMYK 0%, 42%, 80%, 50%
HSL 28.24°, 66.23%, 30.2%

Complementary color scheme

#804A1A

#50801A

#1A804A

#1A5080

#4A1A80