#644E68

#644E68

Color Values

HEX

#644E68

RGB

100, 78, 104

HSL

290.8, 14.3%, 35.7%

HSV

290.8, 25.0%, 40.8%

CMYK

3.8%, 25.0%, 0.0%, 59.2%

OKLCH

0.4563 0.0497 321.1

Properties

Cool Dark Nearest: Eggplant

Color Harmonies

Complementary

#644E68

#52684E

Analogous

#574E68

#684E5F

#644E68

Triadic

#644E68

#68644E

#4E6864

Split Complementary

#644E68

#5F684E

#4E6857

Tetradic

#644E68

#68574E

#52684E

#4E5F68

Color Blindness Simulation

Original

#644E68

Protanopia

#5A5A62

Deuteranopia

#5C5D60

Tritanopia

#635D5C

Achromatopsia

#555555

CSS Usage

background-color: #644E68;
color: #644E68;
border-color: #644E68;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F8F6F8
100
#EFEBEF
200
#DFD6E0
300
#C8B9CB
400
#AA93AE
500
#8C6D92
600
#705775
700
#5A465D
800
#463749
900
#352A37
950
#211B23

Contrast Checker

Text on white

7.42:1

AA Pass AAA Pass

Text on black

2.83:1

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