#B71514

#B71514

Color Values

HEX

#B71514

RGB

183, 21, 20

HSL

0.4, 80.3%, 39.8%

HSV

0.4, 89.1%, 71.8%

CMYK

0.0%, 88.5%, 89.1%, 28.2%

OKLCH

0.4973 0.1929 28.2

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B71514

#14B6B7

Analogous

#B71464

#B76714

#B71514

Triadic

#B71514

#14B715

#1514B7

Split Complementary

#B71514

#14B767

#1464B7

Tetradic

#B71514

#64B714

#14B6B7

#6714B7

Color Blindness Simulation

Original

#B71514

Protanopia

#716F14

Deuteranopia

#7A8614

Tritanopia

#AF1414

Achromatopsia

#373737

CSS Usage

background-color: #B71514;
color: #B71514;
border-color: #B71514;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#F9E1E1
200
#F8BFBF
300
#F39191
400
#EC5655
500
#E61A19
600
#B81514
700
#931110
800
#730D0D
900
#530E0D
950
#350908

Contrast Checker

Text on white

6.71:1

AA Pass AAA Fail

Text on black

3.13:1

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