#B73531

#B73531

Color Values

HEX

#B73531

RGB

183, 53, 49

HSL

1.8, 57.8%, 45.5%

HSV

1.8, 73.2%, 71.8%

CMYK

0.0%, 71.0%, 73.2%, 28.2%

OKLCH

0.5244 0.1674 26.5

Properties

Warm Dark Nearest: RAL 3031 Orient Red

Color Harmonies

Complementary

#B73531

#31B3B7

Analogous

#B73170

#B77831

#B73531

Triadic

#B73531

#31B735

#3531B7

Split Complementary

#B73531

#31B778

#3170B7

Tetradic

#B73531

#70B731

#31B3B7

#7831B7

Color Blindness Simulation

Original

#B73531

Protanopia

#7F7E32

Deuteranopia

#869032

Tritanopia

#B03333

Achromatopsia

#505050

CSS Usage

background-color: #B73531;
color: #B73531;
border-color: #B73531;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E5E4
200
#F0C8C7
300
#E5A19E
400
#D76D6A
500
#C93A36
600
#A12F2B
700
#812522
800
#651D1B
900
#4A1917
950
#2F100F

Contrast Checker

Text on white

5.89:1

AA Pass AAA Fail

Text on black

3.57:1

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