Blue Hour palette
Autumn Loft
Five blue hour stops with room to breathe — #004887 grounds, #0e70c7 and #358ce5 do the talking, #579ce9 softens, #7bb9ff lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004887
#0e70c7
#358ce5
#579ce9
#7bb9ff
The generator opens with #004887 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.