#AC221D

#AC221D

Color Values

HEX

#AC221D

RGB

172, 34, 29

HSL

2.1, 71.1%, 39.4%

HSV

2.1, 83.1%, 67.5%

CMYK

0.0%, 80.2%, 83.1%, 32.5%

OKLCH

0.4851 0.1746 28.1

Properties

Warm Dark Nearest: RAL 3016 Coral Red

Color Harmonies

Complementary

#AC221D

#1DA7AC

Analogous

#AC1D5F

#AC691D

#AC221D

Triadic

#AC221D

#1DAC22

#221DAC

Split Complementary

#AC221D

#1DAC69

#1D5FAC

Tetradic

#AC221D

#5FAC1D

#1DA7AC

#691DAC

Color Blindness Simulation

Original

#AC221D

Protanopia

#706F1E

Deuteranopia

#78831E

Tritanopia

#A51F1F

Achromatopsia

#3F3F3F

CSS Usage

background-color: #AC221D;
color: #AC221D;
border-color: #AC221D;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F3
100
#F8E3E2
200
#F5C4C2
300
#ED9996
400
#E4625E
500
#DA2B25
600
#AF231D
700
#8C1C18
800
#6D1612
900
#4F1411
950
#320C0B

Contrast Checker

Text on white

7.0:1

AA Pass AAA Fail

Text on black

3.0:1

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