Aurora palette
Chalky Brook
Dark anchor, working middle, light release: #403dbb, #646ce6, #7e8aff, #919eff, #b4bfff form a analogous aurora set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
blueaurorafive-stophigh-contrast
#403dbb
#646ce6
#7e8aff
#919eff
#b4bfff
The generator opens with #403dbb as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.