Blue Hour palette
Distant Mill
Dark anchor, working middle, light release: #004d8f, #2f76c1, #4c92df, #67a2e4, #86beff form a triadic 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
#004d8f
#2f76c1
#4c92df
#67a2e4
#86beff
The generator opens with #004d8f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.