#66151C

#66151C

Color Values

HEX

#66151C

RGB

102, 21, 28

HSL

354.8, 65.9%, 24.1%

HSV

354.8, 79.4%, 40.0%

CMYK

0.0%, 79.4%, 72.5%, 60.0%

OKLCH

0.3394 0.1135 21.3

Properties

Warm Dark Nearest: RAL 3032 Pearl Ruby Red

Color Harmonies

Complementary

#66151C

#15665F

Analogous

#661544

#663615

#66151C

Triadic

#66151C

#1C6615

#151C66

Split Complementary

#66151C

#156636

#154466

Tetradic

#66151C

#446615

#15665F

#361566

Color Blindness Simulation

Original

#66151C

Protanopia

#43421A

Deuteranopia

#484E1A

Tritanopia

#621919

Achromatopsia

#272727

CSS Usage

background-color: #66151C;
color: #66151C;
border-color: #66151C;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF3F4
100
#F7E3E5
200
#F3C4C8
300
#EA99A0
400
#DF626D
500
#D42B3A
600
#A9232E
700
#871C25
800
#6A161D
900
#4D1419
950
#310C10

Contrast Checker

Text on white

12.43:1

AA Pass AAA Pass

Text on black

1.69:1

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