Jewel palette
Sandy Cellar
From #a95454 ink through #926a06, #007ca7, #c76f6e to #3398c4 light, Sandy Cellar is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
redjewelfive-stop
#a95454
#926a06
#007ca7
#c76f6e
#3398c4
The generator opens with #a95454 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.