#64686E

#64686E

Color Values

HEX

#64686E

RGB

100, 104, 110

HSL

216.0, 4.8%, 41.2%

HSV

216.0, 9.1%, 43.1%

CMYK

9.1%, 5.5%, 0.0%, 56.9%

OKLCH

0.5158 0.0107 258.4

Properties

Cool Dark Nearest: NCS S 6000-N Medium Dark Grey

Color Harmonies

Complementary

#64686E

#6E6A64

Analogous

#646D6E

#65646E

#64686E

Triadic

#64686E

#6E6468

#686E64

Split Complementary

#64686E

#6E6564

#6D6E64

Tetradic

#64686E

#6E646D

#6E6A64

#646E65

Color Blindness Simulation

Original

#64686E

Protanopia

#66666D

Deuteranopia

#66656C

Tritanopia

#646B6B

Achromatopsia

#686868

CSS Usage

background-color: #64686E;
color: #64686E;
border-color: #64686E;
Nearest Tailwind: Zinc 500 #71717A

Tailwind Shades

50
#F7F7F8
100
#ECEDEE
200
#DADBDD
300
#BFC1C5
400
#9CA0A5
500
#797E86
600
#61656B
700
#4E5156
800
#3D3F43
900
#2E3033
950
#1D1E20

Contrast Checker

Text on white

5.6:1

AA Pass AAA Fail

Text on black

3.75:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026