#AE2121

#AE2121

Color Values

HEX

#AE2121

RGB

174, 33, 33

HSL

0.0, 68.1%, 40.6%

HSV

0.0, 81.0%, 68.2%

CMYK

0.0%, 81.0%, 81.0%, 31.8%

OKLCH

0.4885 0.1767 26.8

Properties

Warm Dark Nearest: firebrick

Color Harmonies

Complementary

#AE2121

#21AEAE

Analogous

#AE2168

#AE6821

#AE2121

Triadic

#AE2121

#21AE21

#2121AE

Split Complementary

#AE2121

#21AE68

#2168AE

Tetradic

#AE2121

#68AE21

#21AEAE

#6821AE

Color Blindness Simulation

Original

#AE2121

Protanopia

#717021

Deuteranopia

#798421

Tritanopia

#A72121

Achromatopsia

#3F3F3F

CSS Usage

background-color: #AE2121;
color: #AE2121;
border-color: #AE2121;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F3
100
#F7E3E3
200
#F4C3C3
300
#EB9898
400
#E16060
500
#D62929
600
#AB2121
700
#891A1A
800
#6B1414
900
#4E1313
950
#310C0C

Contrast Checker

Text on white

6.91:1

AA Pass AAA Fail

Text on black

3.04:1

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