#B11F23

#B11F23

Color Values

HEX

#B11F23

RGB

177, 31, 35

HSL

358.4, 70.2%, 40.8%

HSV

358.4, 82.5%, 69.4%

CMYK

0.0%, 82.5%, 80.2%, 30.6%

OKLCH

0.4929 0.1806 26.0

Properties

Warm Dark Nearest: firebrick

Color Harmonies

Complementary

#B11F23

#1FB1AD

Analogous

#B11F6C

#B1641F

#B11F23

Triadic

#B11F23

#23B11F

#1F23B1

Split Complementary

#B11F23

#1FB164

#1F6CB1

Tetradic

#B11F23

#6CB11F

#1FB1AD

#641FB1

Color Blindness Simulation

Original

#B11F23

Protanopia

#727122

Deuteranopia

#7A8522

Tritanopia

#AA2121

Achromatopsia

#3E3E3E

CSS Usage

background-color: #B11F23;
color: #B11F23;
border-color: #B11F23;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F3
100
#F8E2E3
200
#F4C2C4
300
#ED9799
400
#E35E62
500
#D9262B
600
#AE1E22
700
#8B181B
800
#6D1315
900
#4F1213
950
#320B0C

Contrast Checker

Text on white

6.8:1

AA Pass AAA Fail

Text on black

3.09:1

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