#B21110

#B21110

Color Values

HEX

#B21110

RGB

178, 17, 16

HSL

0.4, 83.5%, 38.0%

HSV

0.4, 91.0%, 69.8%

CMYK

0.0%, 90.4%, 91.0%, 30.2%

OKLCH

0.4856 0.1906 28.4

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B21110

#10B1B2

Analogous

#B21060

#B26210

#B21110

Triadic

#B21110

#10B211

#1110B2

Split Complementary

#B21110

#10B262

#1060B2

Tetradic

#B21110

#60B210

#10B1B2

#6210B2

Color Blindness Simulation

Original

#B21110

Protanopia

#6C6B10

Deuteranopia

#768210

Tritanopia

#AA1010

Achromatopsia

#333333

CSS Usage

background-color: #B21110;
color: #B21110;
border-color: #B21110;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#FAE1E0
200
#F9BEBD
300
#F58F8F
400
#EF5352
500
#EA1615
600
#BB1211
700
#960E0D
800
#750B0B
900
#550D0C
950
#360808

Contrast Checker

Text on white

7.05:1

AA Pass AAA Pass

Text on black

2.98:1

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