Blue Hydrangea
#B3D3E1A delicate, steely blue that reads as both calm and architectural.
Spec Sheet
Hex#B3D3E1
RGB179, 211, 225
HSL198°, 43%, 79%
On White 1.58:1 Fail
On Black 13.32:1 AAA
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #F3F5F6 Text: #181E21 Accent: #B3D3E1 Support: #B67154 Neutral: #ADB3CD 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 Blue Hydrangea Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #F3F5F6;
--palette-ink: #181E21;
--palette-accent: #B3D3E1;
--palette-support: #B67154;
--palette-neutral: #ADB3CD;
}Tailwind Config
{
"palette-background": "#F3F5F6",
"palette-ink": "#181E21",
"palette-accent": "#B3D3E1",
"palette-support": "#B67154",
"palette-neutral": "#ADB3CD"
}Color Blindness Simulation
#CBD1E2
Protanopia#C4CBE1
Deuteranopia#A6D7D7
TritanopiaBuild a design system around Blue Hydrangea.