Blue Hour palette
Woolen Fen
Dark anchor, working middle, light release: #005189, #007aca, #3296e8, #58a6ec, #82c3ff form a tetradic blue hour set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#005189
#007aca
#3296e8
#58a6ec
#82c3ff
The generator opens with #005189 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.