#64221F

#64221F

Color Values

HEX

#64221F

RGB

100, 34, 31

HSL

2.6, 52.7%, 25.7%

HSV

2.6, 69.0%, 39.2%

CMYK

0.0%, 66.0%, 69.0%, 60.8%

OKLCH

0.352 0.0963 25.9

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#64221F

#1F6164

Analogous

#641F3F

#64451F

#64221F

Triadic

#64221F

#1F6422

#221F64

Split Complementary

#64221F

#1F6445

#1F3F64

Tetradic

#64221F

#3F641F

#1F6164

#451F64

Color Blindness Simulation

Original

#64221F

Protanopia

#474720

Deuteranopia

#4B5020

Tritanopia

#612020

Achromatopsia

#303030

CSS Usage

background-color: #64221F;
color: #64221F;
border-color: #64221F;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F4
100
#F5E6E5
200
#EECAC8
300
#E2A4A2
400
#D2736F
500
#C3423C
600
#9C3530
700
#7D2A27
800
#61211E
900
#471B19
950
#2D1110

Contrast Checker

Text on white

11.73:1

AA Pass AAA Pass

Text on black

1.79:1

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