#666385

#666385

Color Values

HEX

#666385

RGB

102, 99, 133

HSL

245.3, 14.7%, 45.5%

HSV

245.3, 25.6%, 52.2%

CMYK

23.3%, 25.6%, 0.0%, 47.8%

OKLCH

0.5157 0.0534 288.4

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#666385

#828563

Analogous

#637185

#776385

#666385

Triadic

#666385

#856663

#638566

Split Complementary

#666385

#857763

#718563

Tetradic

#666385

#856371

#828563

#638577

Color Blindness Simulation

Original

#666385

Protanopia

#65657D

Deuteranopia

#65657B

Tritanopia

#667675

Achromatopsia

#666666

CSS Usage

background-color: #666385;
color: #666385;
border-color: #666385;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F7F6F8
100
#EBEBEF
200
#D7D6E1
300
#BAB9CB
400
#9593AF
500
#706D92
600
#5A5775
700
#48465E
800
#383649
900
#2B2A37
950
#1B1B23

Contrast Checker

Text on white

5.69:1

AA Pass AAA Fail

Text on black

3.69:1

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