#645EF5

#645EF5

Color Values

HEX

#645EF5

RGB

100, 94, 245

HSL

242.4, 88.3%, 66.5%

HSV

242.4, 61.6%, 96.1%

CMYK

59.2%, 61.6%, 0.0%, 3.9%

OKLCH

0.5758 0.2186 278.8

Properties

Cool Dark Nearest: slateblue 1

Color Harmonies

Complementary

#645EF5

#EFF55E

Analogous

#5EA4F5

#B05EF5

#645EF5

Triadic

#645EF5

#F5645E

#5EF564

Split Complementary

#645EF5

#F5B05E

#A4F55E

Tetradic

#645EF5

#F55EA4

#EFF55E

#5EF5B0

Color Blindness Simulation

Original

#645EF5

Protanopia

#6161D1

Deuteranopia

#6262C8

Tritanopia

#64B4AD

Achromatopsia

#6A6A6A

CSS Usage

background-color: #645EF5;
color: #645EF5;
border-color: #645EF5;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F2F2FD
100
#E1E0FB
200
#BEBCFB
300
#908CF8
400
#544DF4
500
#180FF0
600
#130CC0
700
#0F0A9A
800
#0C0778
900
#0D0A57
950
#080637

Contrast Checker

Text on white

4.71:1

AA Pass AAA Fail

Text on black

4.46:1

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