#645F53

#645F53

Color Values

HEX

#645F53

RGB

100, 95, 83

HSL

42.4, 9.3%, 35.9%

HSV

42.4, 17.0%, 39.2%

CMYK

0.0%, 5.0%, 17.0%, 60.8%

OKLCH

0.4865 0.0197 88.1

Properties

Warm Dark Nearest: RAL 1035 Pearl Beige

Color Harmonies

Complementary

#645F53

#535864

Analogous

#645753

#616453

#645F53

Triadic

#645F53

#53645F

#5F5364

Split Complementary

#645F53

#536164

#575364

Tetradic

#645F53

#536457

#535864

#645361

Color Blindness Simulation

Original

#645F53

Protanopia

#626256

Deuteranopia

#626257

Tritanopia

#645859

Achromatopsia

#5F5F5F

CSS Usage

background-color: #645F53;
color: #645F53;
border-color: #645F53;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F8F8F7
100
#EFEEEC
200
#DFDDD8
300
#C7C4BC
400
#A9A498
500
#8B8474
600
#6F6A5D
700
#59554A
800
#46423A
900
#35322C
950
#21201C

Contrast Checker

Text on white

6.36:1

AA Pass AAA Fail

Text on black

3.3:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026