#646CD7

#646CD7

Color Values

HEX

#646CD7

RGB

100, 108, 215

HSL

235.8, 59.0%, 61.8%

HSV

235.8, 53.5%, 84.3%

CMYK

53.5%, 49.8%, 0.0%, 15.7%

OKLCH

0.5786 0.1614 276.9

Properties

Cool Light Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#646CD7

#D7CF64

Analogous

#64A6D7

#9664D7

#646CD7

Triadic

#646CD7

#D7646C

#6CD764

Split Complementary

#646CD7

#D79664

#A6D764

Tetradic

#646CD7

#D764A6

#D7CF64

#64D796

Color Blindness Simulation

Original

#646CD7

Protanopia

#6768BD

Deuteranopia

#6766B7

Tritanopia

#64A9A4

Achromatopsia

#727272

CSS Usage

background-color: #646CD7;
color: #646CD7;
border-color: #646CD7;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F4F4FB
100
#E4E5F6
200
#C6C9F0
300
#9EA3E6
400
#6971D8
500
#343FCB
600
#2A32A2
700
#212882
800
#1A1F65
900
#171A4A
950
#0E112F

Contrast Checker

Text on white

4.5:1

AA Fail AAA Fail

Text on black

4.67:1

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