#645D40

#645D40

Color Values

HEX

#645D40

RGB

100, 93, 64

HSL

48.3, 22.0%, 32.2%

HSV

48.3, 36.0%, 39.2%

CMYK

0.0%, 7.0%, 36.0%, 60.8%

OKLCH

0.4771 0.0444 96.2

Properties

Warm Dark Nearest: RAL 7006 Beige Grey

Color Harmonies

Complementary

#645D40

#404764

Analogous

#644B40

#596440

#645D40

Triadic

#645D40

#40645D

#5D4064

Split Complementary

#645D40

#405964

#4B4064

Tetradic

#645D40

#40644B

#404764

#644059

Color Blindness Simulation

Original

#645D40

Protanopia

#616147

Deuteranopia

#616249

Tritanopia

#644D4E

Achromatopsia

#5C5C5C

CSS Usage

background-color: #645D40;
color: #645D40;
border-color: #645D40;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F9F8F6
100
#F0EFEA
200
#E3E0D3
300
#CFCAB4
400
#B5AD8C
500
#9C9163
600
#7C7450
700
#645D40
800
#4E4832
900
#3A3627
950
#252219

Contrast Checker

Text on white

6.6:1

AA Pass AAA Fail

Text on black

3.18:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026