#645F73

#645F73

Color Values

HEX

#645F73

RGB

100, 95, 115

HSL

255.0, 9.5%, 41.2%

HSV

255.0, 17.4%, 45.1%

CMYK

13.0%, 17.4%, 0.0%, 54.9%

OKLCH

0.4974 0.032 296.7

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#645F73

#6E735F

Analogous

#5F6473

#6E5F73

#645F73

Triadic

#645F73

#73645F

#5F7364

Split Complementary

#645F73

#736E5F

#64735F

Tetradic

#645F73

#735F64

#6E735F

#5F736E

Color Blindness Simulation

Original

#645F73

Protanopia

#62626E

Deuteranopia

#62626D

Tritanopia

#646A6A

Achromatopsia

#626262

CSS Usage

background-color: #645F73;
color: #645F73;
border-color: #645F73;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F7F7F8
100
#ECECEF
200
#DAD8DF
300
#BFBCC8
400
#9C98AA
500
#79738C
600
#615C70
700
#4E4A59
800
#3D3A46
900
#2E2C35
950
#1D1C21

Contrast Checker

Text on white

6.13:1

AA Pass AAA Fail

Text on black

3.43:1

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