#644689

#644689

Color Values

HEX

#644689

RGB

100, 70, 137

HSL

266.9, 32.4%, 40.6%

HSV

266.9, 48.9%, 53.7%

CMYK

27.0%, 48.9%, 0.0%, 46.3%

OKLCH

0.4576 0.1095 303.0

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#644689

#6B8946

Analogous

#464989

#864689

#644689

Triadic

#644689

#896446

#468964

Split Complementary

#644689

#898646

#498946

Tetradic

#644689

#894649

#6B8946

#468986

Color Blindness Simulation

Original

#644689

Protanopia

#575779

Deuteranopia

#595B75

Tritanopia

#626C69

Achromatopsia

#515151

CSS Usage

background-color: #644689;
color: #644689;
border-color: #644689;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5F9
100
#EDE8F2
200
#DAD0E7
300
#C0AED6
400
#9D82BF
500
#7B56A9
600
#634587
700
#4F376C
800
#3E2B54
900
#2F223F
950
#1E1628

Contrast Checker

Text on white

7.56:1

AA Pass AAA Pass

Text on black

2.78:1

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