#AC2311

#AC2311

Color Values

HEX

#AC2311

RGB

172, 35, 17

HSL

7.0, 82.0%, 37.1%

HSV

7.0, 90.1%, 67.5%

CMYK

0.0%, 79.7%, 90.1%, 32.5%

OKLCH

0.4849 0.1752 31.0

Properties

Warm Dark Nearest: RAL 3000 Flame Red

Color Harmonies

Complementary

#AC2311

#119AAC

Analogous

#AC114D

#AC7111

#AC2311

Triadic

#AC2311

#11AC23

#2311AC

Split Complementary

#AC2311

#11AC71

#114DAC

Tetradic

#AC2311

#4DAC11

#119AAC

#7111AC

Color Blindness Simulation

Original

#AC2311

Protanopia

#716F15

Deuteranopia

#798316

Tritanopia

#A5191A

Achromatopsia

#3F3F3F

CSS Usage

background-color: #AC2311;
color: #AC2311;
border-color: #AC2311;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF3F2
100
#FAE4E1
200
#F9C5BE
300
#F49B90
400
#EE6553
500
#E82F17
600
#BA2612
700
#951E0F
800
#74180B
900
#54150D
950
#350D08

Contrast Checker

Text on white

6.99:1

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