#645790

#645790

Color Values

HEX

#645790

RGB

100, 87, 144

HSL

253.7, 24.7%, 45.3%

HSV

253.7, 39.6%, 56.5%

CMYK

30.6%, 39.6%, 0.0%, 43.5%

OKLCH

0.4942 0.0901 293.3

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#645790

#839057

Analogous

#576690

#815790

#645790

Triadic

#645790

#906457

#579064

Split Complementary

#645790

#908157

#669057

Tetradic

#645790

#905766

#839057

#579081

Color Blindness Simulation

Original

#645790

Protanopia

#5E5E82

Deuteranopia

#5F607F

Tritanopia

#637775

Achromatopsia

#5E5E5E

CSS Usage

background-color: #645790;
color: #645790;
border-color: #645790;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F6F6F9
100
#EBE9F1
200
#D7D2E4
300
#BAB3D1
400
#9489B8
500
#6E609F
600
#584D7F
700
#473D66
800
#37304F
900
#2B263B
950
#1B1825

Contrast Checker

Text on white

6.35:1

AA Pass AAA Fail

Text on black

3.31:1

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