Blue Hour palette
Rumpled Heath
Dark anchor, working middle, light release: #005199, #0079de, #3296fd, #58a7ff, #92c4ff form a split-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 for large text.
skybluehourfive-stop
#005199
#0079de
#3296fd
#58a7ff
#92c4ff
The generator opens with #005199 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.