#644D7F

#644D7F

Color Values

HEX

#644D7F

RGB

100, 77, 127

HSL

267.6, 24.5%, 40.0%

HSV

267.6, 39.4%, 49.8%

CMYK

21.3%, 39.4%, 0.0%, 50.2%

OKLCH

0.4652 0.0831 304.5

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#644D7F

#687F4D

Analogous

#4D4F7F

#7D4D7F

#644D7F

Triadic

#644D7F

#7F644D

#4D7F64

Split Complementary

#644D7F

#7F7D4D

#4F7F4D

Tetradic

#644D7F

#7F4D4F

#687F4D

#4D7F7D

Color Blindness Simulation

Original

#644D7F

Protanopia

#5A5A73

Deuteranopia

#5B5D70

Tritanopia

#636967

Achromatopsia

#555555

CSS Usage

background-color: #644D7F;
color: #644D7F;
border-color: #644D7F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F7F6F9
100
#EDE9F1
200
#DBD3E4
300
#C1B3D1
400
#9F8AB8
500
#7D609F
600
#644D7F
700
#503E66
800
#3F304F
900
#30263B
950
#1E1825

Contrast Checker

Text on white

7.22:1

AA Pass AAA Pass

Text on black

2.91:1

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