#640D11

#640D11

Color Values

HEX

#640D11

RGB

100, 13, 17

HSL

357.2, 77.0%, 22.2%

HSV

357.2, 87.0%, 39.2%

CMYK

0.0%, 87.0%, 83.0%, 60.8%

OKLCH

0.3265 0.1192 25.1

Properties

Warm Dark Nearest: RAL 3004 Purple Red

Color Harmonies

Complementary

#640D11

#0D6460

Analogous

#640D3D

#64350D

#640D11

Triadic

#640D11

#11640D

#0D1164

Split Complementary

#640D11

#0D6435

#0D3D64

Tetradic

#640D11

#3D640D

#0D6460

#350D64

Color Blindness Simulation

Original

#640D11

Protanopia

#3E3E10

Deuteranopia

#434A10

Tritanopia

#600F0F

Achromatopsia

#202020

CSS Usage

background-color: #640D11;
color: #640D11;
border-color: #640D11;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF2F3
100
#F9E1E3
200
#F7C0C2
300
#F19397
400
#E9585F
500
#E21D26
600
#B5171F
700
#901319
800
#710F13
900
#520F12
950
#34090B

Contrast Checker

Text on white

13.06:1

AA Pass AAA Pass

Text on black

1.61:1

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