Pastel palette
Halcyon Bookshop
From #00467f ink through #1d6eb8, #3d8ad6, #5b99db to #76b6f9 light, Halcyon Bookshop 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 as a text pair.
skypastelfive-stophigh-contrast
#00467f
#1d6eb8
#3d8ad6
#5b99db
#76b6f9
The generator opens with #00467f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.