#644F7A

#644F7A

Color Values

HEX

#644F7A

RGB

100, 79, 122

HSL

269.3, 21.4%, 39.4%

HSV

269.3, 35.2%, 47.8%

CMYK

18.0%, 35.2%, 0.0%, 52.2%

OKLCH

0.4667 0.0723 306.2

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#644F7A

#657A4F

Analogous

#4F4F7A

#794F7A

#644F7A

Triadic

#644F7A

#7A644F

#4F7A64

Split Complementary

#644F7A

#7A794F

#4F7A4F

Tetradic

#644F7A

#7A4F4F

#657A4F

#4F7A79

Color Blindness Simulation

Original

#644F7A

Protanopia

#5B5B70

Deuteranopia

#5C5E6D

Tritanopia

#636766

Achromatopsia

#575757

CSS Usage

background-color: #644F7A;
color: #644F7A;
border-color: #644F7A;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DBD4E3
300
#C1B5CF
400
#A08CB5
500
#7F649B
600
#65507C
700
#514063
800
#3F324D
900
#30273A
950
#1E1924

Contrast Checker

Text on white

7.14:1

AA Pass AAA Pass

Text on black

2.94:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026