Pastel palette
Twilit Harbor
From #3e61ae ink through #678cd9, #82a8f7, #97b9fd to #c2d7ff light, Twilit Harbor 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.
skypastelfive-stop
#3e61ae
#678cd9
#82a8f7
#97b9fd
#c2d7ff
The generator opens with #3e61ae as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.