#64638F

#64638F

Color Values

HEX

#64638F

RGB

100, 99, 143

HSL

241.4, 18.2%, 47.5%

HSV

241.4, 30.8%, 56.1%

CMYK

30.1%, 30.8%, 0.0%, 43.9%

OKLCH

0.5186 0.069 284.8

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#64638F

#8E8F63

Analogous

#63788F

#7A638F

#64638F

Triadic

#64638F

#8F6463

#638F64

Split Complementary

#64638F

#8F7A63

#788F63

Tetradic

#64638F

#8F6378

#8E8F63

#638F7A

Color Blindness Simulation

Original

#64638F

Protanopia

#646484

Deuteranopia

#646482

Tritanopia

#647C7A

Achromatopsia

#666666

CSS Usage

background-color: #64638F;
color: #64638F;
border-color: #64638F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F6F9
100
#EBEAF0
200
#D5D5E2
300
#B7B7CD
400
#908FB2
500
#696897
600
#545379
700
#434360
800
#35344B
900
#292938
950
#1A1A24

Contrast Checker

Text on white

5.64:1

AA Pass AAA Fail

Text on black

3.72:1

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