#645786

#645786

Color Values

HEX

#645786

RGB

100, 87, 134

HSL

256.6, 21.3%, 43.3%

HSV

256.6, 35.1%, 52.5%

CMYK

25.4%, 35.1%, 0.0%, 47.5%

OKLCH

0.489 0.0752 296.2

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#645786

#798657

Analogous

#576186

#7B5786

#645786

Triadic

#645786

#866457

#578664

Split Complementary

#645786

#867B57

#618657

Tetradic

#645786

#865761

#798657

#57867B

Color Blindness Simulation

Original

#645786

Protanopia

#5E5E7B

Deuteranopia

#5F6078

Tritanopia

#637270

Achromatopsia

#5D5D5D

CSS Usage

background-color: #645786;
color: #645786;
border-color: #645786;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F6F9
100
#ECEAF0
200
#D8D4E3
300
#BCB5CF
400
#988DB5
500
#73649B
600
#5C507C
700
#4A4063
800
#3A324D
900
#2C273A
950
#1C1924

Contrast Checker

Text on white

6.46:1

AA Pass AAA Fail

Text on black

3.25:1

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