#644B88

#644B88

Color Values

HEX

#644B88

RGB

100, 75, 136

HSL

264.6, 28.9%, 41.4%

HSV

264.6, 44.9%, 53.3%

CMYK

26.5%, 44.9%, 0.0%, 46.7%

OKLCH

0.4663 0.0994 301.6

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#644B88

#6F884B

Analogous

#4B5188

#834B88

#644B88

Triadic

#644B88

#88644B

#4B8864

Split Complementary

#644B88

#88834B

#51884B

Tetradic

#644B88

#884B51

#6F884B

#4B8883

Color Blindness Simulation

Original

#644B88

Protanopia

#595979

Deuteranopia

#5B5C76

Tritanopia

#636E6B

Achromatopsia

#555555

CSS Usage

background-color: #644B88;
color: #644B88;
border-color: #644B88;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F7F5F9
100
#ECE9F2
200
#D9D1E6
300
#BFB0D3
400
#9C85BC
500
#795BA4
600
#614983
700
#4D3A69
800
#3C2D52
900
#2E243D
950
#1D1727

Contrast Checker

Text on white

7.23:1

AA Pass AAA Pass

Text on black

2.9:1

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