#666386

#666386

Color Values

HEX

#666386

RGB

102, 99, 134

HSL

245.1, 15.0%, 45.7%

HSV

245.1, 26.1%, 52.5%

CMYK

23.9%, 26.1%, 0.0%, 47.5%

OKLCH

0.5161 0.0549 288.2

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#666386

#838663

Analogous

#637286

#786386

#666386

Triadic

#666386

#866663

#638666

Split Complementary

#666386

#867863

#728663

Tetradic

#666386

#866372

#838663

#638678

Color Blindness Simulation

Original

#666386

Protanopia

#65657E

Deuteranopia

#65657C

Tritanopia

#667775

Achromatopsia

#666666

CSS Usage

background-color: #666386;
color: #666386;
border-color: #666386;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F7F6F8
100
#EBEBEF
200
#D7D6E1
300
#BAB9CB
400
#9592AF
500
#706C93
600
#595775
700
#47455E
800
#383649
900
#2B2A37
950
#1B1A23

Contrast Checker

Text on white

5.68:1

AA Pass AAA Fail

Text on black

3.69:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026