#CB150E

#CB150E

Color Values

HEX

#CB150E

RGB

203, 21, 14

HSL

2.2, 87.1%, 42.5%

HSV

2.2, 93.1%, 79.6%

CMYK

0.0%, 89.7%, 93.1%, 20.4%

OKLCH

0.5353 0.2106 29.2

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#CB150E

#0EC4CB

Analogous

#CB0E65

#CB730E

#CB150E

Triadic

#CB150E

#0ECB15

#150ECB

Split Complementary

#CB150E

#0ECB73

#0E65CB

Tetradic

#CB150E

#65CB0E

#0EC4CB

#730ECB

Color Blindness Simulation

Original

#CB150E

Protanopia

#7C7B10

Deuteranopia

#879410

Tritanopia

#C21111

Achromatopsia

#3B3B3B

CSS Usage

background-color: #CB150E;
color: #CB150E;
border-color: #CB150E;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FAE1E0
200
#FABEBC
300
#F7908C
400
#F3544E
500
#EF1910
600
#BF140D
700
#99100B
800
#770C08
900
#560D0A
950
#370807

Contrast Checker

Text on white

5.75:1

AA Pass AAA Fail

Text on black

3.65:1

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