#CB151A

#CB151A

Color Values

HEX

#CB151A

RGB

203, 21, 26

HSL

358,4, 81,2%, 43,9%

HSV

358,4, 89,7%, 79,6%

CMYK

0,0%, 89,7%, 87,2%, 20,4%

OKLCH

0,536 0,2097 27,5

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#CB151A

#15CBC6

Analogous

#CB1575

#CB6B15

#CB151A

Triadic

#CB151A

#1ACB15

#151ACB

Split Complementary

#CB151A

#15CB6B

#1575CB

Tetradic

#CB151A

#75CB15

#15CBC6

#6B15CB

Color Blindness Simulation

Original

#CB151A

Protanopia

#7C7B19

Deuteranopia

#879418

Tritanopia

#C21818

Achromatopsia

#3C3C3C

CSS Usage

background-color: #CB151A;
color: #CB151A;
border-color: #CB151A;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#F9E1E1
200
#F8BEC0
300
#F39093
400
#ED5458
500
#E7181D
600
#B91318
700
#940F13
800
#740C0F
900
#540D0F
950
#350809

Contrast Checker

Text on white

5,74:1

AA Pass AAA Fail

Text on black

3,66:1

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