#B1100F

#B1100F

Color Values

HEX

#B1100F

RGB

177, 16, 15

HSL

0.4, 84.4%, 37.6%

HSV

0.4, 91.5%, 69.4%

CMYK

0.0%, 91.0%, 91.5%, 30.6%

OKLCH

0.4832 0.1902 28.5

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B1100F

#0FB0B1

Analogous

#B10F5F

#B1610F

#B1100F

Triadic

#B1100F

#0FB110

#100FB1

Split Complementary

#B1100F

#0FB161

#0F5FB1

Tetradic

#B1100F

#5FB10F

#0FB0B1

#610FB1

Color Blindness Simulation

Original

#B1100F

Protanopia

#6B6A0F

Deuteranopia

#75810F

Tritanopia

#A90F0F

Achromatopsia

#323232

CSS Usage

background-color: #B1100F;
color: #B1100F;
border-color: #B1100F;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#FAE1E0
200
#F9BEBD
300
#F58F8E
400
#F05251
500
#EB1514
600
#BC1110
700
#960E0D
800
#760B0A
900
#550C0C
950
#360807

Contrast Checker

Text on white

7.12:1

AA Pass AAA Pass

Text on black

2.95:1

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