#B40D10

#B40D10

Color Values

HEX

#B40D10

RGB

180, 13, 16

HSL

358.9, 86.5%, 37.8%

HSV

358.9, 92.8%, 70.6%

CMYK

0.0%, 92.8%, 91.1%, 29.4%

OKLCH

0.488 0.1937 28.1

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B40D10

#0DB4B1

Analogous

#B40D63

#B45D0D

#B40D10

Triadic

#B40D10

#10B40D

#0D10B4

Split Complementary

#B40D10

#0DB45D

#0D63B4

Tetradic

#B40D10

#63B40D

#0DB4B1

#5D0DB4

Color Blindness Simulation

Original

#B40D10

Protanopia

#6C6A0F

Deuteranopia

#75820F

Tritanopia

#AC0F0F

Achromatopsia

#313131

CSS Usage

background-color: #B40D10;
color: #B40D10;
border-color: #B40D10;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#FAE0E1
200
#FABCBE
300
#F78D8F
400
#F24F52
500
#EE1115
600
#BE0E11
700
#980B0E
800
#77090B
900
#560B0C
950
#360708

Contrast Checker

Text on white

6.99:1

AA Pass AAA Fail

Text on black

3.01:1

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