#B13237

#B13237

Color Values

HEX

#B13237

RGB

177, 50, 55

HSL

357.6, 55.9%, 44.5%

HSV

357.6, 71.8%, 69.4%

CMYK

0.0%, 71.8%, 68.9%, 30.6%

OKLCH

0.5118 0.1632 23.1

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B13237

#32B1AC

Analogous

#B13277

#B16C32

#B13237

Triadic

#B13237

#37B132

#3237B1

Split Complementary

#B13237

#32B16C

#3277B1

Tetradic

#B13237

#77B132

#32B1AC

#6C32B1

Color Blindness Simulation

Original

#B13237

Protanopia

#7A7936

Deuteranopia

#818B36

Tritanopia

#AB3535

Achromatopsia

#4D4D4D

CSS Usage

background-color: #B13237;
color: #B13237;
border-color: #B13237;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E5E5
200
#EFC7C9
300
#E4A0A2
400
#D56C70
500
#C7383E
600
#9F2D32
700
#7F2428
800
#631C1F
900
#49181A
950
#2E0F10

Contrast Checker

Text on white

6.21:1

AA Pass AAA Fail

Text on black

3.38:1

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