#644F4D

#644F4D

Color Values

HEX

#644F4D

RGB

100, 79, 77

HSL

5.2, 13.0%, 34.7%

HSV

5.2, 23.0%, 39.2%

CMYK

0.0%, 21.0%, 23.0%, 60.8%

OKLCH

0.4486 0.0286 24.6

Properties

Warm Dark Nearest: NCS S 7000-N Dark Grey

Color Harmonies

Complementary

#644F4D

#4D6264

Analogous

#644D56

#645A4D

#644F4D

Triadic

#644F4D

#4D644F

#4F4D64

Split Complementary

#644F4D

#4D645A

#4D5664

Tetradic

#644F4D

#56644D

#4D6264

#5A4D64

Color Blindness Simulation

Original

#644F4D

Protanopia

#5B5B4D

Deuteranopia

#5C5E4E

Tritanopia

#634E4E

Achromatopsia

#535353

CSS Usage

background-color: #644F4D;
color: #644F4D;
border-color: #644F4D;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F8F7F7
100
#EFECEB
200
#E0D7D7
300
#CABBBA
400
#AD9794
500
#90726F
600
#735B59
700
#5C4947
800
#483937
900
#362C2B
950
#221C1B

Contrast Checker

Text on white

7.59:1

AA Pass AAA Pass

Text on black

2.77:1

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