#661F18

#661F18

Color Values

HEX

#661F18

RGB

102, 31, 24

HSL

5.4, 61.9%, 24.7%

HSV

5.4, 76.5%, 40.0%

CMYK

0.0%, 69.6%, 76.5%, 60.0%

OKLCH

0.3503 0.1035 29.0

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#661F18

#185F66

Analogous

#661838

#664618

#661F18

Triadic

#661F18

#18661F

#1F1866

Split Complementary

#661F18

#186646

#183866

Tetradic

#661F18

#386618

#185F66

#461866

Color Blindness Simulation

Original

#661F18

Protanopia

#47471A

Deuteranopia

#4B511A

Tritanopia

#621B1B

Achromatopsia

#2E2E2E

CSS Usage

background-color: #661F18;
color: #661F18;
border-color: #661F18;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FBF4F3
100
#F7E5E4
200
#F1C9C5
300
#E8A39C
400
#DB7166
500
#CE3F31
600
#A53227
700
#84281F
800
#671F18
900
#4B1A15
950
#30110E

Contrast Checker

Text on white

11.84:1

AA Pass AAA Pass

Text on black

1.77:1

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