#B13539

#B13539

Color Values

HEX

#B13539

RGB

177, 53, 57

HSL

358.1, 53.9%, 45.1%

HSV

358.1, 70.1%, 69.4%

CMYK

0.0%, 70.1%, 67.8%, 30.6%

OKLCH

0.5152 0.1601 23.1

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B13539

#35B1AD

Analogous

#B13577

#B16F35

#B13539

Triadic

#B13539

#39B135

#3539B1

Split Complementary

#B13539

#35B16F

#3577B1

Tetradic

#B13539

#77B135

#35B1AD

#6F35B1

Color Blindness Simulation

Original

#B13539

Protanopia

#7B7A38

Deuteranopia

#828C38

Tritanopia

#AB3737

Achromatopsia

#505050

CSS Usage

background-color: #B13539;
color: #B13539;
border-color: #B13539;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EFC8C9
300
#E3A1A3
400
#D46E71
500
#C43B3F
600
#9D2F33
700
#7E2628
800
#621D20
900
#48191A
950
#2D1011

Contrast Checker

Text on white

6.11:1

AA Pass AAA Fail

Text on black

3.44:1

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