#660F0D

#660F0D

Color Values

HEX

#660F0D

RGB

102, 15, 13

HSL

1.3, 77.4%, 22.5%

HSV

1.3, 87.3%, 40.0%

CMYK

0.0%, 85.3%, 87.3%, 60.0%

OKLCH

0.3318 0.1203 27.7

Properties

Warm Dark Nearest: RAL 3011 Brown Red

Color Harmonies

Complementary

#660F0D

#0D6466

Analogous

#660D37

#663B0D

#660F0D

Triadic

#660F0D

#0D660F

#0F0D66

Split Complementary

#660F0D

#0D663B

#0D3766

Tetradic

#660F0D

#37660D

#0D6466

#3B0D66

Color Blindness Simulation

Original

#660F0D

Protanopia

#40400D

Deuteranopia

#454C0E

Tritanopia

#620E0E

Achromatopsia

#212121

CSS Usage

background-color: #660F0D;
color: #660F0D;
border-color: #660F0D;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF3F2
100
#F9E2E1
200
#F7C1C0
300
#F19492
400
#EA5B58
500
#E2211D
600
#B51A17
700
#911512
800
#71110E
900
#52100F
950
#340A09

Contrast Checker

Text on white

12.81:1

AA Pass AAA Pass

Text on black

1.64:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026