Marine Blue
#1D3E59A intense, cool blue that reads as both calm and architectural.
Spec Sheet
Hex#1D3E59
RGB29, 62, 89
HSL207°, 51%, 23%
On White 11.14:1 AAA
On Black 1.89:1 Fail
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #EBEDF0 Text: #121A21 Accent: #1D3E59 Support: #AE805B Neutral: #B8B9CC 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 Marine Blue Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #EBEDF0;
--palette-ink: #121A21;
--palette-accent: #1D3E59;
--palette-support: #AE805B;
--palette-neutral: #B8B9CC;
}Tailwind Config
{
"palette-background": "#EBEDF0",
"palette-ink": "#121A21",
"palette-accent": "#1D3E59",
"palette-support": "#AE805B",
"palette-neutral": "#B8B9CC"
}Color Blindness Simulation
#323F5A
Protanopia#2A3958
Deuteranopia#004447
TritanopiaBuild a design system around Marine Blue.