Aurora palette
Russet Meadow
Five aurora stops with room to breathe — #1a31ac grounds, #3d61d7 and #557df6 do the talking, #6b90f7 softens, #90b0ff 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
#1a31ac
#3d61d7
#557df6
#6b90f7
#90b0ff
The generator opens with #1a31ac as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.