#901111

#901111

Color Values

HEX

#901111

RGB

144, 17, 17

HSL

0.0, 78.9%, 31.6%

HSV

0.0, 88.2%, 56.5%

CMYK

0.0%, 88.2%, 88.2%, 43.5%

OKLCH

0.4187 0.1599 27.8

Properties

Warm Dark Nearest: maroon

Color Harmonies

Complementary

#901111

#119090

Analogous

#901151

#905111

#901111

Triadic

#901111

#119011

#111190

Split Complementary

#901111

#119051

#115190

Tetradic

#901111

#519011

#119090

#511190

Color Blindness Simulation

Original

#901111

Protanopia

#595811

Deuteranopia

#606A11

Tritanopia

#8A1111

Achromatopsia

#2C2C2C

CSS Usage

background-color: #901111;
color: #901111;
border-color: #901111;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF2F2
100
#F9E1E1
200
#F7BFBF
300
#F29292
400
#EB5656
500
#E41B1B
600
#B61616
700
#921111
800
#720D0D
900
#530E0E
950
#340909

Contrast Checker

Text on white

9.23:1

AA Pass AAA Pass

Text on black

2.27:1

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