#900B0C

#900B0C

Color Values

HEX

#900B0C

RGB

144, 11, 12

HSL

359.5, 85.8%, 30.4%

HSV

359.5, 92.4%, 56.5%

CMYK

0.0%, 92.4%, 91.7%, 43.5%

OKLCH

0.4154 0.1632 28.1

Properties

Warm Dark Nearest: darkred

Color Harmonies

Complementary

#900B0C

#0B908F

Analogous

#900B4F

#904C0B

#900B0C

Triadic

#900B0C

#0C900B

#0B0C90

Split Complementary

#900B0C

#0B904C

#0B4F90

Tetradic

#900B0C

#4F900B

#0B908F

#4C0B90

Color Blindness Simulation

Original

#900B0C

Protanopia

#56550C

Deuteranopia

#5E680C

Tritanopia

#890C0C

Achromatopsia

#272727

CSS Usage

background-color: #900B0C;
color: #900B0C;
border-color: #900B0C;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FDF2F2
100
#FAE0E0
200
#FABDBD
300
#F68D8E
400
#F25051
500
#ED1214
600
#BE0E10
700
#980C0D
800
#76090A
900
#560B0C
950
#360707

Contrast Checker

Text on white

9.38:1

AA Pass AAA Pass

Text on black

2.24:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026