#646CD4

#646CD4

Color Values

HEX

#646CD4

RGB

100, 108, 212

HSL

235.7, 56.6%, 61.2%

HSV

235.7, 52.8%, 83.1%

CMYK

52.8%, 49.1%, 0.0%, 16.9%

OKLCH

0.5766 0.1573 277.0

Properties

Cool Light Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#646CD4

#D4CC64

Analogous

#64A4D4

#9464D4

#646CD4

Triadic

#646CD4

#D4646C

#6CD464

Split Complementary

#646CD4

#D49464

#A4D464

Tetradic

#646CD4

#D464A4

#D4CC64

#64D494

Color Blindness Simulation

Original

#646CD4

Protanopia

#6768BB

Deuteranopia

#6766B5

Tritanopia

#64A7A3

Achromatopsia

#727272

CSS Usage

background-color: #646CD4;
color: #646CD4;
border-color: #646CD4;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F4F4FB
100
#E5E6F6
200
#C7CAF0
300
#9FA4E4
400
#6B73D6
500
#3742C8
600
#2C35A0
700
#232A80
800
#1C2164
900
#181B49
950
#0F112E

Contrast Checker

Text on white

4.53:1

AA Pass AAA Fail

Text on black

4.64:1

AA Pass 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