California Blue
#005381A bold blue with cool undertones that anchors spaces with quiet authority.
Spec Sheet
Hex#005381
RGB0, 83, 129
HSL201°, 100%, 25%
On White 8.22:1 AAA
On Black 2.55:1 Fail
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #F1F3F3 Text: #182125 Accent: #005381 Support: #B27E62 Neutral: #B9BDD5 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 California Blue Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #F1F3F3;
--palette-ink: #182125;
--palette-accent: #005381;
--palette-support: #B27E62;
--palette-neutral: #B9BDD5;
}Tailwind Config
{
"palette-background": "#F1F3F3",
"palette-ink": "#182125",
"palette-accent": "#005381",
"palette-support": "#B27E62",
"palette-neutral": "#B9BDD5"
}Color Blindness Simulation
#3D5583
Protanopia#2B4A80
Deuteranopia#005E64
TritanopiaBuild a design system around California Blue.