Aurora palette
Maritime Mesa
Five aurora stops with room to breathe — #0e39b1 grounds, #3768dc and #5085fb do the talking, #6897fc softens, #93b7ff lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyaurorafive-stophigh-contrast
#0e39b1
#3768dc
#5085fb
#6897fc
#93b7ff
The generator opens with #0e39b1 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.