#40100D

#40100D

Color Values

HEX

#40100D

RGB

64, 16, 13

HSL

3.5, 66.2%, 15.1%

HSV

3.5, 79.7%, 25.1%

CMYK

0.0%, 75.0%, 79.7%, 74.9%

OKLCH

0.2549 0.0754 27.3

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#40100D

#0D3D40

Analogous

#400D24

#40290D

#40100D

Triadic

#40100D

#0D4010

#100D40

Split Complementary

#40100D

#0D4029

#0D2440

Tetradic

#40100D

#24400D

#0D3D40

#290D40

Color Blindness Simulation

Original

#40100D

Protanopia

#2B2B0E

Deuteranopia

#2E320E

Tritanopia

#3E0E0E

Achromatopsia

#1A1A1A

CSS Usage

background-color: #40100D;
color: #40100D;
border-color: #40100D;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FCF4F3
100
#F7E4E3
200
#F3C6C4
300
#EA9E99
400
#DF6962
500
#D4352B
600
#AA2A22
700
#88221C
800
#6A1A16
900
#4D1714
950
#310E0C

Contrast Checker

Text on white

16.18:1

AA Pass AAA Pass

Text on black

1.3:1

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