#840B09

#840B09

Color Values

HEX

#840B09

RGB

132, 11, 9

HSL

1.0, 87.2%, 27.6%

HSV

1.0, 93.2%, 51.8%

CMYK

0.0%, 91.7%, 93.2%, 48.2%

OKLCH

0.3908 0.1524 28.6

Properties

Warm Dark Nearest: maroon

Color Harmonies

Complementary

#840B09

#098284

Analogous

#840944

#844809

#840B09

Triadic

#840B09

#09840B

#0B0984

Split Complementary

#840B09

#098448

#094484

Tetradic

#840B09

#448409

#098284

#480984

Color Blindness Simulation

Original

#840B09

Protanopia

#504F09

Deuteranopia

#57600A

Tritanopia

#7E0A0A

Achromatopsia

#252525

CSS Usage

background-color: #840B09;
color: #840B09;
border-color: #840B09;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FDF2F2
100
#FAE0E0
200
#FABDBC
300
#F78E8C
400
#F3514E
500
#EF1410
600
#BF100D
700
#990D0A
800
#770A08
900
#560C0A
950
#370707

Contrast Checker

Text on white

10.33:1

AA Pass AAA Pass

Text on black

2.03:1

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