#5B0400

#5B0400

Color Values

HEX

#5B0400

RGB

91, 4, 0

HSL

2.6, 100.0%, 17.8%

HSV

2.6, 100.0%, 35.7%

CMYK

0.0%, 95.6%, 100.0%, 64.3%

OKLCH

0.299 0.1185 30.4

Properties

Warm Dark Nearest: RAL 3011 Brown Red

Color Harmonies

Complementary

#5B0400

#00575B

Analogous

#5B0029

#5B3100

#5B0400

Triadic

#5B0400

#005B04

#04005B

Split Complementary

#5B0400

#005B31

#00295B

Tetradic

#5B0400

#295B00

#00575B

#31005B

Color Blindness Simulation

Original

#5B0400

Protanopia

#353501

Deuteranopia

#3A4101

Tritanopia

#570202

Achromatopsia

#161616

CSS Usage

background-color: #5B0400;
color: #5B0400;
border-color: #5B0400;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FEF1F1
100
#FCDFDE
200
#FFBBB8
300
#FF8A85
400
#FF4A42
500
#FF0B00
600
#CC0900
700
#A30700
800
#800600
900
#5C0905
950
#3A0503

Contrast Checker

Text on white

14.36:1

AA Pass AAA Pass

Text on black

1.46:1

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