Sumi palette
Granite Abbey
From #942b49 ink through #ab415c, #007c74, #ca5c76 to #009a91 light, Granite Abbey is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
redsumifive-stop
#942b49
#ab415c
#007c74
#ca5c76
#009a91
The generator opens with #942b49 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.