Industrial palette
Malty Marsh
Dark anchor, working middle, light release: #316b93, #007282, #0c7568, #308d9d, #359083 form a analogous industrial set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
skyindustrialfive-stop
#316b93
#007282
#0c7568
#308d9d
#359083
The generator opens with #316b93 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.