#641F21

#641F21

Color Values

HEX

#641F21

RGB

100, 31, 33

HSL

358.3, 52.7%, 25.7%

HSV

358.3, 69.0%, 39.2%

CMYK

0.0%, 69.0%, 67.0%, 60.8%

OKLCH

0.3482 0.0996 22.3

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#641F21

#1F6462

Analogous

#641F43

#64401F

#641F21

Triadic

#641F21

#21641F

#1F2164

Split Complementary

#641F21

#1F6440

#1F4364

Tetradic

#641F21

#43641F

#1F6462

#401F64

Color Blindness Simulation

Original

#641F21

Protanopia

#464621

Deuteranopia

#4A4F20

Tritanopia

#612020

Achromatopsia

#2E2E2E

CSS Usage

background-color: #641F21;
color: #641F21;
border-color: #641F21;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F4
100
#F5E5E6
200
#EEC8CA
300
#E2A2A3
400
#D26F72
500
#C33C40
600
#9C3033
700
#7D2729
800
#611E20
900
#47191B
950
#2D1011

Contrast Checker

Text on white

11.93:1

AA Pass AAA Pass

Text on black

1.76:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026