Monochrome palette
Honeyed Depot
From #004471 ink through #146cab, #3787c8, #5697ce to #72b3ec light, Honeyed Depot is a complementary progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skymonochromefive-stophigh-contrast
#004471
#146cab
#3787c8
#5697ce
#72b3ec
The generator opens with #004471 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.