#666358

#666358

Color Values

HEX

#666358

RGB

102, 99, 88

HSL

47.1, 7.4%, 37.3%

HSV

47.1, 13.7%, 40.0%

CMYK

0.0%, 2.9%, 13.7%, 60.0%

OKLCH

0.4991 0.0174 94.4

Properties

Warm Dark Nearest: RAL 7039 Quartz Grey

Color Harmonies

Complementary

#666358

#585B66

Analogous

#665C58

#626658

#666358

Triadic

#666358

#586663

#635866

Split Complementary

#666358

#586266

#5C5866

Tetradic

#666358

#58665C

#585B66

#665862

Color Blindness Simulation

Original

#666358

Protanopia

#65655B

Deuteranopia

#65655B

Tritanopia

#665D5D

Achromatopsia

#636363

CSS Usage

background-color: #666358;
color: #666358;
border-color: #666358;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F8F8F7
100
#EEEEEC
200
#DEDDD9
300
#C6C4BD
400
#A8A59A
500
#898576
600
#6E6A5E
700
#58554C
800
#44423B
900
#34322D
950
#21201D

Contrast Checker

Text on white

6.02:1

AA Pass AAA Fail

Text on black

3.49:1

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