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 #1B3148 is the color #48311B

The HSL model was used to determine the complementary color

Input Color

HEX #1B3148
RGB 27, 49, 72
CMYK 63%, 32%, 0%, 72%
HSL 210.67°, 45.45%, 19.41%

Complementary Color

HEX #48311B
RGB 72, 49, 27
CMYK 0%, 32%, 63%, 72%
HSL 29.33°, 45.45%, 19.41%

Complementary color scheme

#48321B

#32481B

#1B4832

#1B3248

#321B48