Atlantic Tide
#28517FA dark blue that balances cool clarity with emotional warmth. Works in coastal, traditional, and modern schemes.
Spec Sheet
Hex#28517F
RGB40, 81, 127
HSL212°, 52%, 33%
On White 8.16:1 AAA
On Black 2.57:1 Fail
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #EDF0F3 Text: #1C2A3B Accent: #28517F Support: #8E6D48 Neutral: #BCBCD2 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 Atlantic Tide Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #EDF0F3;
--palette-ink: #1C2A3B;
--palette-accent: #28517F;
--palette-support: #8E6D48;
--palette-neutral: #BCBCD2;
}Tailwind Config
{
"palette-background": "#EDF0F3",
"palette-ink": "#1C2A3B",
"palette-accent": "#28517F",
"palette-support": "#8E6D48",
"palette-neutral": "#BCBCD2"
}Color Blindness Simulation
#3D5481
Protanopia#314C7E
Deuteranopia#005C62
TritanopiaBuild a design system around Atlantic Tide.