#645A39

#645A39

Color Values

HEX

#645A39

RGB

100, 90, 57

HSL

46.0, 27.4%, 30.8%

HSV

46.0, 43.0%, 39.2%

CMYK

0.0%, 10.0%, 43.0%, 60.8%

OKLCH

0.4686 0.0505 93.2

Properties

Warm Dark Nearest: RAL 7008 Khaki Grey

Color Harmonies

Complementary

#645A39

#394364

Analogous

#644439

#596439

#645A39

Triadic

#645A39

#39645A

#5A3964

Split Complementary

#645A39

#395964

#443964

Tetradic

#645A39

#396444

#394364

#643959

Color Blindness Simulation

Original

#645A39

Protanopia

#606041

Deuteranopia

#606143

Tritanopia

#644749

Achromatopsia

#5A5A5A

CSS Usage

background-color: #645A39;
color: #645A39;
border-color: #645A39;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F9F8F6
100
#F1EFE9
200
#E5E1D2
300
#D3CBB1
400
#BBAE87
500
#A2925D
600
#82754A
700
#685E3B
800
#51492E
900
#3C3725
950
#262317

Contrast Checker

Text on white

6.86:1

AA Pass AAA Fail

Text on black

3.06:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026