#55100B

#55100B

Color Values

HEX

#55100B

RGB

85, 16, 11

HSL

4.1, 77.1%, 18.8%

HSV

4.1, 87.1%, 33.3%

CMYK

0.0%, 81.2%, 87.1%, 66.7%

OKLCH

0.2974 0.1013 28.9

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#55100B

#0B5055

Analogous

#550B2B

#55350B

#55100B

Triadic

#55100B

#0B5510

#100B55

Split Complementary

#55100B

#0B5535

#0B2B55

Tetradic

#55100B

#2B550B

#0B5055

#350B55

Color Blindness Simulation

Original

#55100B

Protanopia

#37370C

Deuteranopia

#3B400C

Tritanopia

#520D0D

Achromatopsia

#1E1E1E

CSS Usage

background-color: #55100B;
color: #55100B;
border-color: #55100B;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FCF3F2
100
#F9E3E1
200
#F7C4C0
300
#F19993
400
#E96258
500
#E22B1D
600
#B52217
700
#911B13
800
#71150F
900
#52130F
950
#340C09

Contrast Checker

Text on white

14.33:1

AA Pass AAA Pass

Text on black

1.47:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026