Monochrome palette
Parchment Plaza
From #004b7f ink through #1a74b9, #3c90d7, #5c9fdc to #78bcfb light, Parchment Plaza 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.
skymonochromefive-stop
#004b7f
#1a74b9
#3c90d7
#5c9fdc
#78bcfb
The generator opens with #004b7f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.