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Palette field guide

Cool Color Palettes

Explore cool color palettes with semantic roles, accessible contrast, live interface previews, and CSS-ready HEX values.

background#F0F9FF
surface#FFFFFF
secondary#0F766E
primary#0369A1
accent#7C3AED
muted#5B7184
text#0F172A

How the colors relate

Blue establishes precision, teal adds a related but distinct secondary signal, and violet provides a controlled contrast for emphasis.

Where to use each role

Use blue for primary actions, teal for supporting controls or data, violet sparingly for emphasis, and pale blue-white for spacious surfaces.

A useful variation

Reduce violet and add a muted warm accent when the interface needs a clearer focal point without losing its cool foundation.

Related directions

Frequently asked questions

How can a cool palette avoid feeling impersonal?

Use warmer neutrals, human imagery, or one restrained warm accent. The functional blue and teal roles can remain unchanged.