#665BC0

#665BC0

Color Values

HEX

#665BC0

RGB

102, 91, 192

HSL

246.5, 44.5%, 55.5%

HSV

246.5, 52.6%, 75.3%

CMYK

46.9%, 52.6%, 0.0%, 24.7%

OKLCH

0.533 0.1527 284.9

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#665BC0

#B5C05B

Analogous

#5B83C0

#985BC0

#665BC0

Triadic

#665BC0

#C0665B

#5BC066

Split Complementary

#665BC0

#C0985B

#83C05B

Tetradic

#665BC0

#C05B83

#B5C05B

#5BC098

Color Blindness Simulation

Original

#665BC0

Protanopia

#6161A8

Deuteranopia

#6263A2

Tritanopia

#659490

Achromatopsia

#656565

CSS Usage

background-color: #665BC0;
color: #665BC0;
border-color: #665BC0;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F4FA
100
#E8E6F4
200
#CFCBEB
300
#ACA7DD
400
#8077CB
500
#5347B8
600
#423993
700
#352D76
800
#2A235C
900
#211D44
950
#15122B

Contrast Checker

Text on white

5.49:1

AA Pass AAA Fail

Text on black

3.82:1

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