#666173

#666173

Color Values

HEX

#666173

RGB

102, 97, 115

HSL

256.7, 8.5%, 41.6%

HSV

256.7, 15.7%, 45.1%

CMYK

11.3%, 15.7%, 0.0%, 54.9%

OKLCH

0.5037 0.0288 298.1

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#666173

#6E7361

Analogous

#616573

#6F6173

#666173

Triadic

#666173

#736661

#617366

Split Complementary

#666173

#736F61

#657361

Tetradic

#666173

#736165

#6E7361

#61736F

Color Blindness Simulation

Original

#666173

Protanopia

#64646F

Deuteranopia

#64646E

Tritanopia

#666B6A

Achromatopsia

#636363

CSS Usage

background-color: #666173;
color: #666173;
border-color: #666173;
Nearest Tailwind: Gray 500 #6B7280

Tailwind Shades

50
#F7F7F8
100
#EDECEE
200
#DAD8DE
300
#BFBDC7
400
#9D99A9
500
#7B758A
600
#625D6F
700
#4F4B59
800
#3D3A45
900
#2F2D34
950
#1E1C21

Contrast Checker

Text on white

5.96:1

AA Pass AAA Fail

Text on black

3.52:1

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