Sumi palette
Foggy Depot
From #843359 ink through #9a476d, #007a63, #b76187 to #00987c light, Foggy Depot is a split-complementary progression that holds together at any size. Use it for book covers that read at thumbnail size.
pinksumifive-stop
#843359
#9a476d
#007a63
#b76187
#00987c
The generator opens with #843359 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.