#645F3B

#645F3B

Color Values

HEX

#645F3B

RGB

100, 95, 59

HSL

52.7, 25.8%, 31.2%

HSV

52.7, 41.0%, 39.2%

CMYK

0.0%, 5.0%, 41.0%, 60.8%

OKLCH

0.4808 0.0534 101.3

Properties

Warm Dark Nearest: RAL 7008 Khaki Grey

Color Harmonies

Complementary

#645F3B

#3B4064

Analogous

#644B3B

#55643B

#645F3B

Triadic

#645F3B

#3B645F

#5F3B64

Split Complementary

#645F3B

#3B5564

#4B3B64

Tetradic

#645F3B

#3B644B

#3B4064

#643B55

Color Blindness Simulation

Original

#645F3B

Protanopia

#626244

Deuteranopia

#626246

Tritanopia

#644B4C

Achromatopsia

#5D5D5D

CSS Usage

background-color: #645F3B;
color: #645F3B;
border-color: #645F3B;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F9F9F6
100
#F1F0E9
200
#E5E2D2
300
#D2CEB2
400
#B9B388
500
#A0985F
600
#807A4C
700
#67623D
800
#504C2F
900
#3C3925
950
#262417

Contrast Checker

Text on white

6.48:1

AA Pass AAA Fail

Text on black

3.24:1

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