#665ACB

#665ACB

Color Values

HEX

#665ACB

RGB

102, 90, 203

HSL

246.4, 52.1%, 57.5%

HSV

246.4, 55.7%, 79.6%

CMYK

49.8%, 55.7%, 0.0%, 20.4%

OKLCH

0.5389 0.169 284.0

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#665ACB

#BFCB5A

Analogous

#5A87CB

#9F5ACB

#665ACB

Triadic

#665ACB

#CB665A

#5ACB66

Split Complementary

#665ACB

#CB9F5A

#87CB5A

Tetradic

#665ACB

#CB5A87

#BFCB5A

#5ACB9F

Color Blindness Simulation

Original

#665ACB

Protanopia

#6161B0

Deuteranopia

#6262A9

Tritanopia

#659A95

Achromatopsia

#656565

CSS Usage

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

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CDC9EE
300
#A9A2E2
400
#7A6FD2
500
#4B3DC2
600
#3C319B
700
#30277C
800
#261F61
900
#1F1A47
950
#13102D

Contrast Checker

Text on white

5.4:1

AA Pass AAA Fail

Text on black

3.89:1

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