#644D8F

#644D8F

Color Values

HEX

#644D8F

RGB

100, 77, 143

HSL

260.9, 30.0%, 43.1%

HSV

260.9, 46.2%, 56.1%

CMYK

30.1%, 46.2%, 0.0%, 43.9%

OKLCH

0.4741 0.1057 298.4

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#644D8F

#788F4D

Analogous

#4D578F

#854D8F

#644D8F

Triadic

#644D8F

#8F644D

#4D8F64

Split Complementary

#644D8F

#8F854D

#578F4D

Tetradic

#644D8F

#8F4D57

#788F4D

#4D8F85

Color Blindness Simulation

Original

#644D8F

Protanopia

#5A5A7F

Deuteranopia

#5B5D7B

Tritanopia

#637270

Achromatopsia

#575757

CSS Usage

background-color: #644D8F;
color: #644D8F;
border-color: #644D8F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F7F5F9
100
#ECE9F2
200
#D8D1E6
300
#BCAFD4
400
#9884BD
500
#7459A6
600
#5D4785
700
#4A396A
800
#3A2D53
900
#2C233E
950
#1C1627

Contrast Checker

Text on white

7.0:1

AA Pass AAA Fail

Text on black

3.0:1

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