Charcoal Slate

HC-178 / Benjamin Moore
#646769

This colourless grey carries cool depth, reading as contemporary without feeling cold.

Spec Sheet

Hex#646769
RGB100, 103, 105
HSL204°, 2%, 40%
On White 5.7:1 AA
On Black 3.69:1 AA Large

For AI Tools

Copy this snippet and paste it into any AI tool
Use these colors for all components:

Background: #E7EBEE
Text: #13181B
Accent: #646769
Support: #947561
Neutral: #CACBD8

Rules:
- Use Background for surfaces and canvas
- Use Ink for body text and icons
- Never use Accent as body text — contrast is too low
- Maintain 4.5:1 minimum contrast for normal text
Learn more about AI Palette

Design System from Charcoal Slate Palettes are free. Exports aren't.

#E7EBEE background RGB 231 235 238
#13181B ink RGB 19 24 27
#646769 accent RGB 100 103 105
#947561 support RGB 148 117 97
#CACBD8 neutral RGB 202 203 216
Processed in 0ms

CSS Variables

:root {
  --palette-background: #E7EBEE;
  --palette-ink: #13181B;
  --palette-accent: #646769;
  --palette-support: #947561;
  --palette-neutral: #CACBD8;
}

Tailwind Config

{
  "palette-background": "#E7EBEE",
  "palette-ink": "#13181B",
  "palette-accent": "#646769",
  "palette-support": "#947561",
  "palette-neutral": "#CACBD8"
}

Pro Exports Pro

Color Blindness Simulation

#666769
Protanopia
#656669
Deuteranopia
#636868
Tritanopia

Build a design system around Charcoal Slate.