#B71810

#B71810

Color Values

HEX

#B71810

RGB

183, 24, 16

HSL

2.9, 83.9%, 39.0%

HSV

2.9, 91.3%, 71.8%

CMYK

0.0%, 86.9%, 91.3%, 28.2%

OKLCH

0.4986 0.1919 29.2

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B71810

#10AFB7

Analogous

#B7105B

#B76C10

#B71810

Triadic

#B71810

#10B718

#1810B7

Split Complementary

#B71810

#10B76C

#105BB7

Tetradic

#B71810

#5BB710

#10AFB7

#6C10B7

Color Blindness Simulation

Original

#B71810

Protanopia

#727112

Deuteranopia

#7B8712

Tritanopia

#AF1314

Achromatopsia

#393939

CSS Usage

background-color: #B71810;
color: #B71810;
border-color: #B71810;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#FAE2E0
200
#F9C0BD
300
#F5938E
400
#F05951
500
#EA1F15
600
#BC1910
700
#96140D
800
#750F0A
900
#550F0C
950
#360A07

Contrast Checker

Text on white

6.66:1

AA Pass AAA Fail

Text on black

3.15:1

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