Noir palette
Powdery Marsh
Five noir stops with room to breathe — #004864 grounds, #00719b and #308cb8 do the talking, #539bc0 softens, #6fb7dd lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skynoirfive-stop
#004864
#00719b
#308cb8
#539bc0
#6fb7dd
The generator opens with #004864 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.