River Blue
#254952This steady blue carries oceanic depth, evoking the distance between sky and sea.
Spec Sheet
Hex#254952
RGB37, 73, 82
HSL192°, 38%, 23%
On White 9.75:1 AAA
On Black 2.15:1 Fail
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #E9ECEC Text: #1D343A Accent: #254952 Support: #B27E70 Neutral: #B0B6C4 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 River Blue Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #E9ECEC;
--palette-ink: #1D343A;
--palette-accent: #254952;
--palette-support: #B27E70;
--palette-neutral: #B0B6C4;
}Tailwind Config
{
"palette-background": "#E9ECEC",
"palette-ink": "#1D343A",
"palette-accent": "#254952",
"palette-support": "#B27E70",
"palette-neutral": "#B0B6C4"
}Color Blindness Simulation
#434753
Protanopia#3C4252
Deuteranopia#0A4C4C
TritanopiaBuild a design system around River Blue.