Blue Hour palette
Toasted Bookshop
Dark anchor, working middle, light release: #004479, #006bb9, #2e87d7, #5197db, #6db3fa form a complementary blue hour 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.
skybluehourfive-stophigh-contrast
#004479
#006bb9
#2e87d7
#5197db
#6db3fa
The generator opens with #004479 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.