#B13637

#B13637

Color Values

HEX

#B13637

RGB

177, 54, 55

HSL

359.5, 53.2%, 45.3%

HSV

359.5, 69.5%, 69.4%

CMYK

0.0%, 69.5%, 68.9%, 30.6%

OKLCH

0.516 0.1593 24.2

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B13637

#36B1B0

Analogous

#B13675

#B17236

#B13637

Triadic

#B13637

#37B136

#3637B1

Split Complementary

#B13637

#36B172

#3675B1

Tetradic

#B13637

#75B136

#36B1B0

#7236B1

Color Blindness Simulation

Original

#B13637

Protanopia

#7C7B37

Deuteranopia

#838C37

Tritanopia

#AB3737

Achromatopsia

#505050

CSS Usage

background-color: #B13637;
color: #B13637;
border-color: #B13637;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EEC8C9
300
#E2A1A2
400
#D36E6F
500
#C33C3D
600
#9C3031
700
#7D2627
800
#621E1E
900
#48191A
950
#2D1010

Contrast Checker

Text on white

6.08:1

AA Pass AAA Fail

Text on black

3.45:1

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