Twilight Blue
#365496A deep, steely blue that reads as both calm and architectural.
Spec Sheet
Hex#365496
RGB54, 84, 150
HSL221°, 47%, 40%
On White 7.33:1 AAA
On Black 2.87:1 Fail
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #F3F4F6 Text: #121721 Accent: #365496 Support: #837049 Neutral: #CBC9D4 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 Twilight Blue Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #F3F4F6;
--palette-ink: #121721;
--palette-accent: #365496;
--palette-support: #837049;
--palette-neutral: #CBC9D4;
}Tailwind Config
{
"palette-background": "#F3F4F6",
"palette-ink": "#121721",
"palette-accent": "#365496",
"palette-support": "#837049",
"palette-neutral": "#CBC9D4"
}Color Blindness Simulation
#365B99
Protanopia#275295
Deuteranopia#00636D
TritanopiaBuild a design system around Twilight Blue.