Bleu Céruléen
#3088B8Cerulean blue — a bright, clear mid-blue like the sky at its most vivid. Optimistic, open, and beautifully balanced.
Spec Sheet
Hex#3088B8
RGB48, 136, 184
HSL201°, 59%, 45%
On White 3.93:1 AA Large
On Black 5.34:1 AA
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #EDF1F2 Text: #1D333E Accent: #3088B8 Support: #AA7D64 Neutral: #A7ABC3 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 Bleu Céruléen Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #EDF1F2;
--palette-ink: #1D333E;
--palette-accent: #3088B8;
--palette-support: #AA7D64;
--palette-neutral: #A7ABC3;
}Tailwind Config
{
"palette-background": "#EDF1F2",
"palette-ink": "#1D333E",
"palette-accent": "#3088B8",
"palette-support": "#AA7D64",
"palette-neutral": "#A7ABC3"
}Color Blindness Simulation
#7188BA
Protanopia#5F7BB7
Deuteranopia#009498
TritanopiaBuild a design system around Bleu Céruléen.