#581B15

#581B15

Color Values

HEX

#581B15

RGB

88, 27, 21

HSL

5.4, 61.5%, 21.4%

HSV

5.4, 76.1%, 34.5%

CMYK

0.0%, 69.3%, 76.1%, 65.5%

OKLCH

0.3183 0.0914 28.8

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#581B15

#155258

Analogous

#581531

#583D15

#581B15

Triadic

#581B15

#15581B

#1B1558

Split Complementary

#581B15

#15583D

#153158

Tetradic

#581B15

#315815

#155258

#3D1558

Color Blindness Simulation

Original

#581B15

Protanopia

#3E3D16

Deuteranopia

#414617

Tritanopia

#551818

Achromatopsia

#282828

CSS Usage

background-color: #581B15;
color: #581B15;
border-color: #581B15;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F3
100
#F6E5E4
200
#F1C9C5
300
#E7A39C
400
#DB7167
500
#CE3F31
600
#A53327
700
#84281F
800
#672019
900
#4B1A16
950
#30110E

Contrast Checker

Text on white

13.27:1

AA Pass AAA Pass

Text on black

1.58:1

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