#644181

#644181

Color Values

HEX

#644181

RGB

100, 65, 129

HSL

272,8, 33,0%, 38,0%

HSV

272,8, 49,6%, 50,6%

CMYK

22,5%, 49,6%, 0,0%, 49,4%

OKLCH

0,4439 0,1077 307,8

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#644181

#5E8141

Analogous

#444181

#81417E

#644181

Triadic

#644181

#816441

#418164

Split Complementary

#644181

#7E8141

#418144

Tetradic

#644181

#814441

#5E8141

#417E81

Color Blindness Simulation

Original

#644181

Protanopia

#555572

Deuteranopia

#575A6E

Tritanopia

#626563

Achromatopsia

#4D4D4D

CSS Usage

background-color: #644181;
color: #644181;
border-color: #644181;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F8F5F9
100
#EEE8F2
200
#DCD0E7
300
#C4AED6
400
#A482C0
500
#8355AA
600
#694488
700
#54376D
800
#422B55
900
#32223F
950
#1F1628

Contrast Checker

Text on white

8,03:1

AA Pass AAA Pass

Text on black

2,61:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026