#AC191A

#AC191A

Color Values

HEX

#AC191A

RGB

172, 25, 26

HSL

359.6, 74.6%, 38.6%

HSV

359.6, 85.5%, 67.5%

CMYK

0.0%, 85.5%, 84.9%, 32.5%

OKLCH

0.4787 0.1805 27.3

Properties

Warm Dark Nearest: firebrick

Color Harmonies

Complementary

#AC191A

#19ACAB

Analogous

#AC1963

#AC6119

#AC191A

Triadic

#AC191A

#1AAC19

#191AAC

Split Complementary

#AC191A

#19AC61

#1963AC

Tetradic

#AC191A

#63AC19

#19ACAB

#6119AC

Color Blindness Simulation

Original

#AC191A

Protanopia

#6C6B1A

Deuteranopia

#75801A

Tritanopia

#A51A1A

Achromatopsia

#383838

CSS Usage

background-color: #AC191A;
color: #AC191A;
border-color: #AC191A;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF2F3
100
#F8E2E2
200
#F6C1C1
300
#EF9495
400
#E75A5B
500
#DF2022
600
#B21A1B
700
#8E1516
800
#6F1011
900
#511010
950
#330A0A

Contrast Checker

Text on white

7.22:1

AA Pass AAA Pass

Text on black

2.91:1

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