Aurora palette
Cream Crossing
Dark anchor, working middle, light release: #21479d, #4972c7, #638ee5, #799fea, #99bcff form a triadic aurora set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyaurorafive-stop
#21479d
#4972c7
#638ee5
#799fea
#99bcff
The generator opens with #21479d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.