#B5221C

#B5221C

Color Values

HEX

#B5221C

RGB

181, 34, 28

HSL

2.4, 73.2%, 41.0%

HSV

2.4, 84.5%, 71.0%

CMYK

0.0%, 81.2%, 84.5%, 29.0%

OKLCH

0.5018 0.1832 28.4

Properties

Warm Dark Nearest: RAL 3016 Coral Red

Color Harmonies

Complementary

#B5221C

#1CAFB5

Analogous

#B51C62

#B56F1C

#B5221C

Triadic

#B5221C

#1CB522

#221CB5

Split Complementary

#B5221C

#1CB56F

#1C62B5

Tetradic

#B5221C

#62B51C

#1CAFB5

#6F1CB5

Color Blindness Simulation

Original

#B5221C

Protanopia

#75741D

Deuteranopia

#7E891E

Tritanopia

#AE1F1F

Achromatopsia

#414141

CSS Usage

background-color: #B5221C;
color: #B5221C;
border-color: #B5221C;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F3
100
#F8E3E2
200
#F5C3C1
300
#EF9995
400
#E6615C
500
#DD2A22
600
#B1211B
700
#8D1B16
800
#6E1511
900
#501311
950
#330C0A

Contrast Checker

Text on white

6.54:1

AA Pass AAA Fail

Text on black

3.21:1

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