Aurora palette
Flint Garret
Dark anchor, working middle, light release: #00427d, #0068c0, #2d84de, #5094e2, #6db1ff form a analogous 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 as a text pair.
skyaurorafive-stophigh-contrast
#00427d
#0068c0
#2d84de
#5094e2
#6db1ff
The generator opens with #00427d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.