#665CC5

#665CC5

Color Values

HEX

#665CC5

RGB

102, 92, 197

HSL

245.7, 47.5%, 56.7%

HSV

245.7, 53.3%, 77.3%

CMYK

48.2%, 53.3%, 0.0%, 22.7%

OKLCH

0.5382 0.1581 284.1

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#665CC5

#BBC55C

Analogous

#5C87C5

#9B5CC5

#665CC5

Triadic

#665CC5

#C5665C

#5CC566

Split Complementary

#665CC5

#C59B5C

#87C55C

Tetradic

#665CC5

#C55C87

#BBC55C

#5CC59B

Color Blindness Simulation

Original

#665CC5

Protanopia

#6262AC

Deuteranopia

#6263A5

Tritanopia

#659893

Achromatopsia

#666666

CSS Usage

background-color: #665CC5;
color: #665CC5;
border-color: #665CC5;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CECAEC
300
#AAA5DF
400
#7C74CD
500
#4E43BC
600
#3F3696
700
#322B78
800
#27215E
900
#201C45
950
#14122C

Contrast Checker

Text on white

5.38:1

AA Pass AAA Fail

Text on black

3.9:1

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