#AC0505

#AC0505

Color Values

HEX

#AC0505

RGB

172, 5, 5

HSL

0.0, 94.4%, 34.7%

HSV

0.0, 97.1%, 67.5%

CMYK

0.0%, 97.1%, 97.1%, 32.5%

OKLCH

0.4693 0.19 28.9

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#AC0505

#05ACAC

Analogous

#AC0558

#AC5805

#AC0505

Triadic

#AC0505

#05AC05

#0505AC

Split Complementary

#AC0505

#05AC58

#0558AC

Tetradic

#AC0505

#58AC05

#05ACAC

#5805AC

Color Blindness Simulation

Original

#AC0505

Protanopia

#646205

Deuteranopia

#6D7A05

Tritanopia

#A40505

Achromatopsia

#292929

CSS Usage

background-color: #AC0505;
color: #AC0505;
border-color: #AC0505;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF1F1
100
#FBDFDF
200
#FDBABA
300
#FC8888
400
#FA4848
500
#F80707
600
#C60606
700
#9F0505
800
#7C0404
900
#5A0707
950
#390505

Contrast Checker

Text on white

7.56:1

AA Pass AAA Pass

Text on black

2.78:1

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