Blue Hour palette
Marble Delta
Dark anchor, working middle, light release: #004b72, #2974a3, #478fc0, #639ec8, #7ebae5 form a complementary blue hour set with somewhere to stand at every lightness. Made for yoga studio schedules pinned to a corkboard. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004b72
#2974a3
#478fc0
#639ec8
#7ebae5
The generator opens with #004b72 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.