#A20109

#A20109

Color Values

HEX

#A20109

RGB

162, 1, 9

HSL

357.0, 98.8%, 32.0%

HSV

357.0, 99.4%, 63.5%

CMYK

0.0%, 99.4%, 94.4%, 36.5%

OKLCH

0.448 0.1826 28.0

Properties

Warm Dark Nearest: RAL 3001 Signal Red

Color Harmonies

Complementary

#A20109

#01A29A

Analogous

#A2015A

#A24A01

#A20109

Triadic

#A20109

#09A201

#0109A2

Split Complementary

#A20109

#01A24A

#015AA2

Tetradic

#A20109

#5AA201

#01A29A

#4A01A2

Color Blindness Simulation

Original

#A20109

Protanopia

#5C5B07

Deuteranopia

#667207

Tritanopia

#9A0605

Achromatopsia

#242424

CSS Usage

background-color: #A20109;
color: #A20109;
border-color: #A20109;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FEF1F2
100
#FCDEE0
200
#FFB8BC
300
#FE858B
400
#FE434D
500
#FD020E
600
#CB010B
700
#A20109
800
#7F0107
900
#5C050A
950
#3A0306

Contrast Checker

Text on white

8.25:1

AA Pass AAA Pass

Text on black

2.54:1

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