#901217

#901217

Color Values

HEX

#901217

RGB

144, 18, 23

HSL

357.6, 77.8%, 31.8%

HSV

357.6, 87.5%, 56.5%

CMYK

0.0%, 87.5%, 84.0%, 43.5%

OKLCH

0.4198 0.1588 26.2

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#901217

#12908B

Analogous

#901256

#904C12

#901217

Triadic

#901217

#179012

#121790

Split Complementary

#901217

#12904C

#125690

Tetradic

#901217

#569012

#12908B

#4C1290

Color Blindness Simulation

Original

#901217

Protanopia

#595816

Deuteranopia

#616A15

Tritanopia

#8A1515

Achromatopsia

#2D2D2D

CSS Usage

background-color: #901217;
color: #901217;
border-color: #901217;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF2F3
100
#F9E1E2
200
#F7C0C2
300
#F19296
400
#EA575D
500
#E31C24
600
#B5171D
700
#911217
800
#710E12
900
#520F11
950
#34090B

Contrast Checker

Text on white

9.19:1

AA Pass AAA Pass

Text on black

2.28:1

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