#5B0004

#5B0004

Color Values

HEX

#5B0004

RGB

91, 0, 4

HSL

357.4, 100.0%, 17.8%

HSV

357.4, 100.0%, 35.7%

CMYK

0.0%, 100.0%, 95.6%, 64.3%

OKLCH

0.2963 0.1208 27.2

Properties

Warm Dark Nearest: RAL 3004 Purple Red

Color Harmonies

Complementary

#5B0004

#005B57

Analogous

#5B0031

#5B2900

#5B0004

Triadic

#5B0004

#045B00

#00045B

Split Complementary

#5B0004

#005B29

#00315B

Tetradic

#5B0004

#315B00

#005B57

#29005B

Color Blindness Simulation

Original

#5B0004

Protanopia

#343303

Deuteranopia

#394003

Tritanopia

#560202

Achromatopsia

#141414

CSS Usage

background-color: #5B0004;
color: #5B0004;
border-color: #5B0004;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FEF1F1
100
#FCDEDF
200
#FFB8BB
300
#FF858A
400
#FF424A
500
#FF000B
600
#CC0009
700
#A30007
800
#800006
900
#5C0509
950
#3A0305

Contrast Checker

Text on white

14.52:1

AA Pass AAA Pass

Text on black

1.45:1

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