#CB1213

#CB1213

Color Values

HEX

#CB1213

RGB

203, 18, 19

HSL

359.7, 83.7%, 43.3%

HSV

359.7, 91.1%, 79.6%

CMYK

0.0%, 91.1%, 90.6%, 20.4%

OKLCH

0.5344 0.2113 28.3

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#CB1213

#12CBCA

Analogous

#CB126F

#CB6D12

#CB1213

Triadic

#CB1213

#13CB12

#1213CB

Split Complementary

#CB1213

#12CB6D

#126FCB

Tetradic

#CB1213

#6FCB12

#12CBCA

#6D12CB

Color Blindness Simulation

Original

#CB1213

Protanopia

#7B7913

Deuteranopia

#869413

Tritanopia

#C21313

Achromatopsia

#393939

CSS Usage

background-color: #CB1213;
color: #CB1213;
border-color: #CB1213;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FAE0E1
200
#F9BDBE
300
#F58F8F
400
#F05252
500
#EA1516
600
#BB1111
700
#960D0E
800
#750A0B
900
#550C0C
950
#360808

Contrast Checker

Text on white

5.78:1

AA Pass AAA Fail

Text on black

3.64:1

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