#647667

#647667

Color Values

HEX

#647667

RGB

100, 118, 103

HSL

130.0, 8.3%, 42.7%

HSV

130.0, 15.3%, 46.3%

CMYK

15.3%, 0.0%, 12.7%, 53.7%

OKLCH

0.5465 0.0314 150.0

Properties

Cool Dark Nearest: RAL 7023 Concrete Grey

Color Harmonies

Complementary

#647667

#766473

Analogous

#6A7664

#647670

#647667

Triadic

#647667

#676476

#766764

Split Complementary

#647667

#706476

#76646A

Tetradic

#647667

#646A76

#766473

#767064

Color Blindness Simulation

Original

#647667

Protanopia

#6C6C6B

Deuteranopia

#6B696C

Tritanopia

#656D6E

Achromatopsia

#717171

CSS Usage

background-color: #647667;
color: #647667;
border-color: #647667;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F7
100
#ECEEEC
200
#D8DED9
300
#BDC7BE
400
#99A89B
500
#758A78
600
#5E6E60
700
#4B584D
800
#3A453C
900
#2D342E
950
#1C211D

Contrast Checker

Text on white

4.85:1

AA Pass AAA Fail

Text on black

4.33:1

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