#646967

#646967

Color Values

HEX

#646967

RGB

100, 105, 103

HSL

156.0, 2.4%, 40.2%

HSV

156.0, 4.8%, 41.2%

CMYK

4.8%, 0.0%, 1.9%, 58.8%

OKLCH

0.5158 0.0069 170.2

Properties

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

Color Harmonies

Complementary

#646967

#696466

Analogous

#646965

#646869

#646967

Triadic

#646967

#676469

#696764

Split Complementary

#646967

#696468

#696564

Tetradic

#646967

#656469

#696466

#686964

Color Blindness Simulation

Original

#646967

Protanopia

#666667

Deuteranopia

#666668

Tritanopia

#646868

Achromatopsia

#686868

CSS Usage

background-color: #646967;
color: #646967;
border-color: #646967;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F7
100
#EDEEED
200
#DADCDB
300
#C0C3C2
400
#9EA3A1
500
#7C8380
600
#646866
700
#505452
800
#3E4140
900
#2F3131
950
#1E1F1F

Contrast Checker

Text on white

5.59:1

AA Pass AAA Fail

Text on black

3.76:1

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