Industrial palette
Frosted Cellar
From #004d81 ink through #1e76b9, #3f92d7, #5ea1dc to #7abefb light, Frosted Cellar is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyindustrialfive-stop
#004d81
#1e76b9
#3f92d7
#5ea1dc
#7abefb
The generator opens with #004d81 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.