#AC131A

#AC131A

Color Values

HEX

#AC131A

RGB

172, 19, 26

HSL

357.3, 80.1%, 37.5%

HSV

357.3, 89.0%, 67.5%

CMYK

0.0%, 89.0%, 84.9%, 32.5%

OKLCH

0.4756 0.1836 26.5

Properties

Warm Dark Nearest: firebrick

Color Harmonies

Complementary

#AC131A

#13ACA5

Analogous

#AC1367

#AC5913

#AC131A

Triadic

#AC131A

#1AAC13

#131AAC

Split Complementary

#AC131A

#13AC59

#1367AC

Tetradic

#AC131A

#67AC13

#13ACA5

#5913AC

Color Blindness Simulation

Original

#AC131A

Protanopia

#6A6818

Deuteranopia

#737E18

Tritanopia

#A41717

Achromatopsia

#343434

CSS Usage

background-color: #AC131A;
color: #AC131A;
border-color: #AC131A;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F3
100
#F9E1E2
200
#F8BFC1
300
#F39195
400
#EC555C
500
#E61923
600
#B8141C
700
#931016
800
#730D11
900
#530E11
950
#35090B

Contrast Checker

Text on white

7.34:1

AA Pass AAA Pass

Text on black

2.86:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026