Jewel palette
Bitter Estuary
From #1745ab ink through #4171d6, #5b8df5, #729ff8 to #9bbdff light, Bitter Estuary 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.
skyjewelfive-stop
#1745ab
#4171d6
#5b8df5
#729ff8
#9bbdff
The generator opens with #1745ab as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.