#666372

#666372

Color Values

HEX

#666372

RGB

102, 99, 114

HSL

252.0, 7.0%, 41.8%

HSV

252.0, 13.2%, 44.7%

CMYK

10.5%, 13.2%, 0.0%, 55.3%

OKLCH

0.5078 0.0237 294.7

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#666372

#6F7263

Analogous

#636872

#6E6372

#666372

Triadic

#666372

#726663

#637266

Split Complementary

#666372

#726E63

#687263

Tetradic

#666372

#726368

#6F7263

#63726E

Color Blindness Simulation

Original

#666372

Protanopia

#65656E

Deuteranopia

#65656E

Tritanopia

#666C6B

Achromatopsia

#656565

CSS Usage

background-color: #666372;
color: #666372;
border-color: #666372;
Nearest Tailwind: Zinc 500 #71717A

Tailwind Shades

50
#F7F7F8
100
#EDECEE
200
#DAD9DE
300
#BFBEC6
400
#9D9AA7
500
#7A7788
600
#625F6D
700
#4E4C57
800
#3D3B44
900
#2F2D34
950
#1D1D21

Contrast Checker

Text on white

5.85:1

AA Pass AAA Fail

Text on black

3.59:1

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