Monochrome palette
Sable Mill
From #005185 ink through #007ac4, #3396e2, #58a6e7 to #7cc2ff light, Sable Mill is a monochromatic 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.
skymonochromefive-stop
#005185
#007ac4
#3396e2
#58a6e7
#7cc2ff
The generator opens with #005185 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.