#AC3136

#AC3136

Color Values

HEX

#AC3136

RGB

172, 49, 54

HSL

357.6, 55.7%, 43.3%

HSV

357.6, 71.5%, 67.5%

CMYK

0.0%, 71.5%, 68.6%, 32.5%

OKLCH

0.5019 0.1591 22.9

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#AC3136

#31ACA7

Analogous

#AC3173

#AC6931

#AC3136

Triadic

#AC3136

#36AC31

#3136AC

Split Complementary

#AC3136

#31AC69

#3173AC

Tetradic

#AC3136

#73AC31

#31ACA7

#6931AC

Color Blindness Simulation

Original

#AC3136

Protanopia

#777635

Deuteranopia

#7E8734

Tritanopia

#A63434

Achromatopsia

#4C4C4C

CSS Usage

background-color: #AC3136;
color: #AC3136;
border-color: #AC3136;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E5E5
200
#EFC7C9
300
#E4A0A2
400
#D56C70
500
#C7383E
600
#9F2D32
700
#7F2428
800
#631C1F
900
#49181A
950
#2E0F10

Contrast Checker

Text on white

6.47:1

AA Pass AAA Fail

Text on black

3.25:1

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