#666EB2

#666EB2

Color Values

HEX

#666EB2

RGB

102, 110, 178

HSL

233.7, 33.0%, 54.9%

HSV

233.7, 42.7%, 69.8%

CMYK

42.7%, 38.2%, 0.0%, 30.2%

OKLCH

0.5616 0.1053 277.3

Properties

Cool Dark Nearest: Indigo

Color Harmonies

Complementary

#666EB2

#B2AA66

Analogous

#6694B2

#8466B2

#666EB2

Triadic

#666EB2

#B2666E

#6EB266

Split Complementary

#666EB2

#B28466

#94B266

Tetradic

#666EB2

#B26694

#B2AA66

#66B284

Color Blindness Simulation

Original

#666EB2

Protanopia

#696AA2

Deuteranopia

#69689E

Tritanopia

#669592

Achromatopsia

#717171

CSS Usage

background-color: #666EB2;
color: #666EB2;
border-color: #666EB2;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F6F9
100
#E8E9F2
200
#D0D2E7
300
#AEB2D6
400
#8288C0
500
#555EAA
600
#444B88
700
#373C6D
800
#2B2F55
900
#22253F
950
#161728

Contrast Checker

Text on white

4.73:1

AA Pass AAA Fail

Text on black

4.44:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

ม.ค. 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

ม.ค. 21, 2026
Tutorials

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

ม.ค. 18, 2026