#666ABC

#666ABC

Color Values

HEX

#666ABC

RGB

102, 106, 188

HSL

237.2, 39.1%, 56.9%

HSV

237.2, 45.7%, 73.7%

CMYK

45.7%, 43.6%, 0.0%, 26.3%

OKLCH

0.5592 0.1256 279.4

Properties

Cool Dark Nearest: Blue Violet

Color Harmonies

Complementary

#666ABC

#BCB866

Analogous

#6695BC

#8D66BC

#666ABC

Triadic

#666ABC

#BC666A

#6ABC66

Split Complementary

#666ABC

#BC8D66

#95BC66

Tetradic

#666ABC

#BC6695

#BCB866

#66BC8D

Color Blindness Simulation

Original

#666ABC

Protanopia

#6868A8

Deuteranopia

#6867A3

Tritanopia

#669895

Achromatopsia

#6F6F6F

CSS Usage

background-color: #666ABC;
color: #666ABC;
border-color: #666ABC;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCFE9
300
#AAACDA
400
#7C7FC6
500
#4E52B1
600
#3E428E
700
#323572
800
#272959
900
#1F2141
950
#141529

Contrast Checker

Text on white

4.82:1

AA Pass AAA Fail

Text on black

4.35:1

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