#645D41

#645D41

Color Values

HEX

#645D41

RGB

100, 93, 65

HSL

48.0, 21.2%, 32.4%

HSV

48.0, 35.0%, 39.2%

CMYK

0.0%, 7.0%, 35.0%, 60.8%

OKLCH

0.4773 0.043 95.8

Properties

Warm Dark Nearest: RAL 7006 Beige Grey

Color Harmonies

Complementary

#645D41

#414864

Analogous

#644C41

#5A6441

#645D41

Triadic

#645D41

#41645D

#5D4164

Split Complementary

#645D41

#415A64

#4C4164

Tetradic

#645D41

#41644C

#414864

#64415A

Color Blindness Simulation

Original

#645D41

Protanopia

#616148

Deuteranopia

#616249

Tritanopia

#644D4E

Achromatopsia

#5C5C5C

CSS Usage

background-color: #645D41;
color: #645D41;
border-color: #645D41;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F9F8F6
100
#F0EFEA
200
#E3E0D4
300
#CFCAB5
400
#B5AD8D
500
#9B9064
600
#7C7350
700
#635C40
800
#4D4832
900
#3A3627
950
#242219

Contrast Checker

Text on white

6.6:1

AA Pass AAA Fail

Text on black

3.18:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026