#CB0137

#CB0137

Color Values

HEX

#CB0137

RGB

203, 1, 55

HSL

344.0, 99.0%, 40.0%

HSV

344.0, 99.5%, 79.6%

CMYK

0.0%, 99.5%, 72.9%, 20.4%

OKLCH

0.5335 0.2136 19.1

Properties

Warm Dark Nearest: NCS S 1080-R Pure Red

Color Harmonies

Complementary

#CB0137

#01CB95

Analogous

#CB019C

#CB3001

#CB0137

Triadic

#CB0137

#37CB01

#0137CB

Split Complementary

#CB0137

#01CB30

#019CCB

Tetradic

#CB0137

#9CCB01

#01CB95

#3001CB

Color Blindness Simulation

Original

#CB0137

Protanopia

#73722A

Deuteranopia

#7F8E27

Tritanopia

#C1201D

Achromatopsia

#303030

CSS Usage

background-color: #CB0137;
color: #CB0137;
border-color: #CB0137;
Nearest Tailwind: Rose 600 #E11D48

Tailwind Shades

50
#FEF1F4
100
#FCDEE6
200
#FFB8CB
300
#FE85A6
400
#FE4375
500
#FE0145
600
#CB0137
700
#A2012C
800
#7F0122
900
#5C051C
950
#3A0312

Contrast Checker

Text on white

5.84:1

AA Pass AAA Fail

Text on black

3.6:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026