#90010D

#90010D

Color Values

HEX

#90010D

RGB

144, 1, 13

HSL

355.0, 98.6%, 28.4%

HSV

355.0, 99.3%, 56.5%

CMYK

0.0%, 99.3%, 91.0%, 43.5%

OKLCH

0.4115 0.167 26.8

Properties

Warm Dark Nearest: darkred

Color Harmonies

Complementary

#90010D

#019084

Analogous

#900154

#903D01

#90010D

Triadic

#90010D

#0D9001

#010D90

Split Complementary

#90010D

#01903D

#015490

Tetradic

#90010D

#549001

#019084

#3D0190

Color Blindness Simulation

Original

#90010D

Protanopia

#52510A

Deuteranopia

#5A6509

Tritanopia

#890807

Achromatopsia

#202020

CSS Usage

background-color: #90010D;
color: #90010D;
border-color: #90010D;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FEF1F2
100
#FCDEE1
200
#FFB8BE
300
#FE8590
400
#FE4453
500
#FD0217
600
#CB0112
700
#A2010F
800
#7F010B
900
#5B050D
950
#3A0308

Contrast Checker

Text on white

9.56:1

AA Pass AAA Pass

Text on black

2.2:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026