#901918

#901918

Color Values

HEX

#901918

RGB

144, 25, 24

HSL

0.5, 71.4%, 32.9%

HSV

0.5, 83.3%, 56.5%

CMYK

0.0%, 82.6%, 83.3%, 43.5%

OKLCH

0.4245 0.1543 27.2

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#901918

#188F90

Analogous

#901853

#905518

#901918

Triadic

#901918

#189019

#191890

Split Complementary

#901918

#189055

#185390

Tetradic

#901918

#539018

#188F90

#551890

Color Blindness Simulation

Original

#901918

Protanopia

#5C5B18

Deuteranopia

#636C18

Tritanopia

#8A1818

Achromatopsia

#323232

CSS Usage

background-color: #901918;
color: #901918;
border-color: #901918;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF3F3
100
#F8E2E2
200
#F5C2C2
300
#ED9796
400
#E45E5D
500
#DB2624
600
#AF1E1D
700
#8C1817
800
#6D1312
900
#501211
950
#320B0B

Contrast Checker

Text on white

8.98:1

AA Pass AAA Pass

Text on black

2.34:1

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