Aurora palette
Toasted Gallery
Five aurora stops with room to breathe — #333094 grounds, #565cbe and #6f77dc do the talking, #7f8ae0 softens, #9aa6ff 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.
blueaurorafive-stophigh-contrast
#333094
#565cbe
#6f77dc
#7f8ae0
#9aa6ff
The generator opens with #333094 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.