#CB010C

#CB010C

Color Values

HEX

#CB010C

RGB

203, 1, 12

HSL

356.7, 99.0%, 40.0%

HSV

356.7, 99.5%, 79.6%

CMYK

0.0%, 99.5%, 94.1%, 20.4%

OKLCH

0.5295 0.2162 28.2

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#CB010C

#01CBC0

Analogous

#CB0171

#CB5B01

#CB010C

Triadic

#CB010C

#0CCB01

#010CCB

Split Complementary

#CB010C

#01CB5B

#0171CB

Tetradic

#CB010C

#71CB01

#01CBC0

#5B01CB

Color Blindness Simulation

Original

#CB010C

Protanopia

#737209

Deuteranopia

#7F8E09

Tritanopia

#C10707

Achromatopsia

#2D2D2D

CSS Usage

background-color: #CB010C;
color: #CB010C;
border-color: #CB010C;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FEF1F2
100
#FCDEE0
200
#FFB8BC
300
#FE858C
400
#FE434E
500
#FE010F
600
#CB010C
700
#A2010A
800
#7F0108
900
#5C050A
950
#3A0306

Contrast Checker

Text on white

5.92:1

AA Pass AAA Fail

Text on black

3.55:1

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