#645DAE

#645DAE

Color Values

HEX

#645DAE

RGB

100, 93, 174

HSL

245.2, 33.3%, 52.4%

HSV

245.2, 46.6%, 68.2%

CMYK

42.5%, 46.6%, 0.0%, 31.8%

OKLCH

0.5235 0.1246 285.2

Properties

Cool Dark Nearest: Blue Violet

Color Harmonies

Complementary

#645DAE

#A7AE5D

Analogous

#5D7FAE

#8D5DAE

#645DAE

Triadic

#645DAE

#AE645D

#5DAE64

Split Complementary

#645DAE

#AE8D5D

#7FAE5D

Tetradic

#645DAE

#AE5D7F

#A7AE5D

#5DAE8D

Color Blindness Simulation

Original

#645DAE

Protanopia

#61619A

Deuteranopia

#616296

Tritanopia

#648B88

Achromatopsia

#646464

CSS Usage

background-color: #645DAE;
color: #645DAE;
border-color: #645DAE;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F6F5FA
100
#E9E8F2
200
#D1CFE7
300
#B1ADD6
400
#8781C0
500
#5C55AA
600
#4A4488
700
#3B366D
800
#2E2B55
900
#24223F
950
#171528

Contrast Checker

Text on white

5.65:1

AA Pass AAA Fail

Text on black

3.72:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026