Industrial palette
Steely Foundry
Dark anchor, working middle, light release: #005278, #007cb3, #3398d0, #58a7d7, #75c3f5 form a tetradic industrial set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skyindustrialfive-stop
#005278
#007cb3
#3398d0
#58a7d7
#75c3f5
The generator opens with #005278 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.