Universal Black
#353435A dark, neutral neutral that reads differently against warm and cool companions.
Spec Sheet
Hex#353435
RGB53, 52, 53
HSL300°, 1%, 21%
On White 12.4:1 AAA
On Black 1.69:1 Fail
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #F4F0F4 Text: #1D111D Accent: #353435 Support: #559B55 Neutral: #CABEC4 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
Design System from Universal Black Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #F4F0F4;
--palette-ink: #1D111D;
--palette-accent: #353435;
--palette-support: #559B55;
--palette-neutral: #CABEC4;
}Tailwind Config
{
"palette-background": "#F4F0F4",
"palette-ink": "#1D111D",
"palette-accent": "#353435",
"palette-support": "#559B55",
"palette-neutral": "#CABEC4"
}Color Blindness Simulation
#343435
Protanopia#343435
Deuteranopia#353434
TritanopiaBuild a design system around Universal Black.