#644D82

#644D82

Color Values

HEX

#644D82

RGB

100, 77, 130

HSL

266.0, 25.6%, 40.6%

HSV

266.0, 40.8%, 51.0%

CMYK

23.1%, 40.8%, 0.0%, 49.0%

OKLCH

0.4668 0.0873 303.2

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#644D82

#6B824D

Analogous

#4D5182

#7E4D82

#644D82

Triadic

#644D82

#82644D

#4D8264

Split Complementary

#644D82

#827E4D

#51824D

Tetradic

#644D82

#824D51

#6B824D

#4D827E

Color Blindness Simulation

Original

#644D82

Protanopia

#5A5A75

Deuteranopia

#5B5D72

Tritanopia

#636B69

Achromatopsia

#565656

CSS Usage

background-color: #644D82;
color: #644D82;
border-color: #644D82;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F7F6F9
100
#EDE9F1
200
#DAD2E4
300
#C0B2D1
400
#9D88B9
500
#7B5FA0
600
#634C80
700
#4F3D66
800
#3E2F50
900
#2F253C
950
#1E1826

Contrast Checker

Text on white

7.18:1

AA Pass AAA Pass

Text on black

2.93:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026