#90191F

#90191F

Color Values

HEX

#90191F

RGB

144, 25, 31

HSL

357.0, 70.4%, 33.1%

HSV

357.0, 82.6%, 56.5%

CMYK

0.0%, 82.6%, 78.5%, 43.5%

OKLCH

0.4253 0.1535 24.7

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#90191F

#19908A

Analogous

#90195A

#904E19

#90191F

Triadic

#90191F

#1F9019

#191F90

Split Complementary

#90191F

#19904E

#195A90

Tetradic

#90191F

#5A9019

#19908A

#4E1990

Color Blindness Simulation

Original

#90191F

Protanopia

#5C5B1E

Deuteranopia

#636C1D

Tritanopia

#8A1C1C

Achromatopsia

#333333

CSS Usage

background-color: #90191F;
color: #90191F;
border-color: #90191F;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF3F3
100
#F8E2E4
200
#F4C2C5
300
#ED979B
400
#E35E65
500
#D9262F
600
#AE1E25
700
#8B181E
800
#6D1317
900
#4F1215
950
#320B0D

Contrast Checker

Text on white

8.96:1

AA Pass AAA Pass

Text on black

2.34:1

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