#660506

#660506

Color Values

HEX

#660506

RGB

102, 5, 6

HSL

359.4, 90.7%, 21.0%

HSV

359.4, 95.1%, 40.0%

CMYK

0.0%, 95.1%, 94.1%, 60.0%

OKLCH

0.3243 0.1276 28.0

Properties

Warm Dark Nearest: RAL 3011 Brown Red

Color Harmonies

Complementary

#660506

#056665

Analogous

#660537

#663505

#660506

Triadic

#660506

#066605

#050666

Split Complementary

#660506

#056635

#053766

Tetradic

#660506

#376605

#056665

#350566

Color Blindness Simulation

Original

#660506

Protanopia

#3C3B06

Deuteranopia

#424906

Tritanopia

#610606

Achromatopsia

#1A1A1A

CSS Usage

background-color: #660506;
color: #660506;
border-color: #660506;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FDF1F2
100
#FBDFE0
200
#FCBBBC
300
#F98A8B
400
#F64B4D
500
#F30C0E
600
#C3090B
700
#9C0809
800
#7A0607
900
#58090A
950
#380606

Contrast Checker

Text on white

13.21:1

AA Pass AAA Pass

Text on black

1.59:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026