Cobalt
#3A5A8AA vivid mid-tone blue with the intensity of cobalt pigment, bold and historically significant across ceramic and paint traditions.
Spec Sheet
Hex#3A5A8A
RGB58, 90, 138
HSL216°, 41%, 38%
On White 6.98:1 AA
On Black 3.01:1 AA Large
For AI Tools
Copy this snippet and paste it into any AI tool
Use these colors for all components: Background: #E3E5E8 Text: #162131 Accent: #3A5A8A Support: #A58555 Neutral: #BEBCD2 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 Cobalt Palettes are free. Exports aren't.
CSS Variables
:root {
--palette-background: #E3E5E8;
--palette-ink: #162131;
--palette-accent: #3A5A8A;
--palette-support: #A58555;
--palette-neutral: #BEBCD2;
}Tailwind Config
{
"palette-background": "#E3E5E8",
"palette-ink": "#162131",
"palette-accent": "#3A5A8A",
"palette-support": "#A58555",
"palette-neutral": "#BEBCD2"
}Color Blindness Simulation
#465D8C
Protanopia#3C5689
Deuteranopia#00656B
TritanopiaBuild a design system around Cobalt.