#665ACA

#665ACA

Color Values

HEX

#665ACA

RGB

102, 90, 202

HSL

246.4, 51.4%, 57.3%

HSV

246.4, 55.4%, 79.2%

CMYK

49.5%, 55.4%, 0.0%, 20.8%

OKLCH

0.5381 0.1676 284.1

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#665ACA

#BECA5A

Analogous

#5A86CA

#9E5ACA

#665ACA

Triadic

#665ACA

#CA665A

#5ACA66

Split Complementary

#665ACA

#CA9E5A

#86CA5A

Tetradic

#665ACA

#CA5A86

#BECA5A

#5ACA9E

Color Blindness Simulation

Original

#665ACA

Protanopia

#6161AF

Deuteranopia

#6262A8

Tritanopia

#659995

Achromatopsia

#656565

CSS Usage

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

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CDC9EE
300
#A9A2E1
400
#7A70D1
500
#4C3EC1
600
#3D329A
700
#31287C
800
#261F61
900
#1F1A47
950
#13102D

Contrast Checker

Text on white

5.41:1

AA Pass AAA Fail

Text on black

3.88:1

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