Aurora palette
Topaz Clearing
Dark anchor, working middle, light release: #00369d, #2f63c7, #497fe6, #6190e8, #81aeff 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.
skyaurorafive-stophigh-contrast
#00369d
#2f63c7
#497fe6
#6190e8
#81aeff
The generator opens with #00369d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.