Aurora palette
Stone Bookshop
From #2130a6 ink through #435fd0, #5b7bef, #6f8ef1 to #91adff light, Stone Bookshop 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 as a text pair.
skyaurorafive-stophigh-contrast
#2130a6
#435fd0
#5b7bef
#6f8ef1
#91adff
The generator opens with #2130a6 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.