Noir palette
Luminous Outpost
Five noir stops with room to breathe — #5a6ac1 grounds, #0079bb and #008195 do the talking, #3295d9 softens, #009fb7 lifts. The analogous bones keep it coherent across book covers that read at thumbnail size.
skynoirfive-stop
#5a6ac1
#0079bb
#008195
#3295d9
#009fb7
The generator opens with #5a6ac1 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.