#665FEB

#665FEB

Color Values

HEX

#665FEB

RGB

102, 95, 235

HSL

243.0, 77.8%, 64.7%

HSV

243.0, 59.6%, 92.2%

CMYK

56.6%, 59.6%, 0.0%, 7.8%

OKLCH

0.571 0.2044 280.0

Properties

Cool Dark Nearest: slateblue 2

Color Harmonies

Complementary

#665FEB

#E4EB5F

Analogous

#5F9EEB

#AC5FEB

#665FEB

Triadic

#665FEB

#EB665F

#5FEB66

Split Complementary

#665FEB

#EBAC5F

#9EEB5F

Tetradic

#665FEB

#EB5F9E

#E4EB5F

#5FEBAC

Color Blindness Simulation

Original

#665FEB

Protanopia

#6363C9

Deuteranopia

#6364C1

Tritanopia

#66AEA8

Achromatopsia

#6B6B6B

CSS Usage

background-color: #665FEB;
color: #665FEB;
border-color: #665FEB;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F3F2FC
100
#E3E1F9
200
#C2C0F7
300
#9792F1
400
#5F57EA
500
#261CE3
600
#1F17B5
700
#181291
800
#130E71
900
#120F52
950
#0B0934

Contrast Checker

Text on white

4.77:1

AA Pass AAA Fail

Text on black

4.4:1

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