#73181B

#73181B

Color Values

HEX

#73181B

RGB

115, 24, 27

HSL

358.0, 65.5%, 27.3%

HSV

358.0, 79.1%, 45.1%

CMYK

0.0%, 79.1%, 76.5%, 54.9%

OKLCH

0.3676 0.1249 24.3

Properties

Warm Dark Nearest: RAL 3004 Purple Red

Color Harmonies

Complementary

#73181B

#187370

Analogous

#731849

#734318

#73181B

Triadic

#73181B

#1B7318

#181B73

Split Complementary

#73181B

#187343

#184973

Tetradic

#73181B

#497318

#187370

#431873

Color Blindness Simulation

Original

#73181B

Protanopia

#4C4B1A

Deuteranopia

#51581A

Tritanopia

#6E1A1A

Achromatopsia

#2C2C2C

CSS Usage

background-color: #73181B;
color: #73181B;
border-color: #73181B;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF3F3
100
#F7E3E4
200
#F3C4C5
300
#EA9A9C
400
#DE6367
500
#D32C32
600
#A92328
700
#871C20
800
#6A1619
900
#4D1416
950
#310D0E

Contrast Checker

Text on white

11.2:1

AA Pass AAA Pass

Text on black

1.88:1

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