Coal Mine

N540-7 / Behr
#3D4B61

A composed dark grey with balanced undertones. Reads as modern and pairs cleanly with both wood and metal.

Spec Sheet

Hex#3D4B61
RGB61, 75, 97
HSL217°, 23%, 31%
On White 8.83:1 AAA
On Black 2.38:1 Fail

For AI Tools

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

Background: #F1F2F3
Text: #212731
Accent: #3D4B61
Support: #9F793C
Neutral: #B0AEC2

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 Coal Mine Palettes are free. Exports aren't.

#F1F2F3 background RGB 241 242 243
#212731 ink RGB 33 39 49
#3D4B61 accent RGB 61 75 97
#9F793C support RGB 159 121 60
#B0AEC2 neutral RGB 176 174 194
Processed in 0ms

CSS Variables

:root {
  --palette-background: #F1F2F3;
  --palette-ink: #212731;
  --palette-accent: #3D4B61;
  --palette-support: #9F793C;
  --palette-neutral: #B0AEC2;
}

Tailwind Config

{
  "palette-background": "#F1F2F3",
  "palette-ink": "#212731",
  "palette-accent": "#3D4B61",
  "palette-support": "#9F793C",
  "palette-neutral": "#B0AEC2"
}

Pro Exports Pro

Color Blindness Simulation

#434C62
Protanopia
#3F4961
Deuteranopia
#325052
Tritanopia

Build a design system around Coal Mine.