Jewel palette
Nightfall Marsh
From #8c2647 ink through #a33c5a, #00766d, #c15774 to #009388 light, Nightfall Marsh is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
pinkjewelfive-stop
#8c2647
#a33c5a
#00766d
#c15774
#009388
The generator opens with #8c2647 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.