#B72D1C

#B72D1C

Color Values

HEX

#B72D1C

RGB

183, 45, 28

HSL

6.6, 73.5%, 41.4%

HSV

6.6, 84.7%, 71.8%

CMYK

0.0%, 75.4%, 84.7%, 28.2%

OKLCH

0.5144 0.1772 30.7

Properties

Warm Dark Nearest: RAL 3000 Flame Red

Color Harmonies

Complementary

#B72D1C

#1CA6B7

Analogous

#B71C58

#B77B1C

#B72D1C

Triadic

#B72D1C

#1CB72D

#2D1CB7

Split Complementary

#B72D1C

#1CB77B

#1C58B7

Tetradic

#B72D1C

#58B71C

#1CA6B7

#7B1CB7

Color Blindness Simulation

Original

#B72D1C

Protanopia

#7B7A20

Deuteranopia

#838E21

Tritanopia

#B02324

Achromatopsia

#494949

CSS Usage

background-color: #B72D1C;
color: #B72D1C;
border-color: #B72D1C;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF4F3
100
#F8E4E2
200
#F6C7C1
300
#EF9F95
400
#E66B5B
500
#DD3622
600
#B12C1B
700
#8E2316
800
#6F1B11
900
#501710
950
#330F0A

Contrast Checker

Text on white

6.17:1

AA Pass AAA Fail

Text on black

3.41:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026