Industrial palette
Prairie Foundry
Dark anchor, working middle, light release: #004f77, #0078b2, #3294cf, #57a3d6, #73bff4 form a analogous industrial set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyindustrialfive-stop
#004f77
#0078b2
#3294cf
#57a3d6
#73bff4
The generator opens with #004f77 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.