#645DC2

#645DC2

Color Values

HEX

#645DC2

RGB

100, 93, 194

HSL

244.2, 45.3%, 56.3%

HSV

244.2, 52.1%, 76.1%

CMYK

48.5%, 52.1%, 0.0%, 23.9%

OKLCH

0.5364 0.1528 283.1

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#645DC2

#BBC25D

Analogous

#5D88C2

#975DC2

#645DC2

Triadic

#645DC2

#C2645D

#5DC264

Split Complementary

#645DC2

#C2975D

#88C25D

Tetradic

#645DC2

#C25D88

#BBC25D

#5DC297

Color Blindness Simulation

Original

#645DC2

Protanopia

#6161AA

Deuteranopia

#6162A4

Tritanopia

#649692

Achromatopsia

#666666

CSS Usage

background-color: #645DC2;
color: #645DC2;
border-color: #645DC2;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CDCBEB
300
#AAA6DE
400
#7C76CB
500
#4E46B9
600
#3E3894
700
#322D77
800
#27235D
900
#1F1D44
950
#14122B

Contrast Checker

Text on white

5.4:1

AA Pass AAA Fail

Text on black

3.89:1

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