#647767

#647767

Color Values

HEX

#647767

RGB

100, 119, 103

HSL

129.5, 8.7%, 42.9%

HSV

129.5, 16.0%, 46.7%

CMYK

16.0%, 0.0%, 13.4%, 53.3%

OKLCH

0.5489 0.0333 149.7

Properties

Cool Dark Nearest: RAL 7023 Concrete Grey

Color Harmonies

Complementary

#647767

#776474

Analogous

#6A7764

#647770

#647767

Triadic

#647767

#676477

#776764

Split Complementary

#647767

#706477

#77646A

Tetradic

#647767

#646A77

#776474

#777064

Color Blindness Simulation

Original

#647767

Protanopia

#6C6C6B

Deuteranopia

#6B6A6C

Tritanopia

#656E6F

Achromatopsia

#727272

CSS Usage

background-color: #647767;
color: #647767;
border-color: #647767;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F7
100
#ECEEEC
200
#D8DED9
300
#BCC7BE
400
#98A99B
500
#748B78
600
#5D6F60
700
#4B594D
800
#3A453C
900
#2D342E
950
#1C211D

Contrast Checker

Text on white

4.8:1

AA Pass AAA Fail

Text on black

4.38:1

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