Sumi palette
Misty Square
From #7b253c ink through #a65063, #c46b7d, #cd7f8e to #eb9baa light, Misty Square 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 as a text pair.
pinksumifive-stophigh-contrast
#7b253c
#a65063
#c46b7d
#cd7f8e
#eb9baa
The generator opens with #7b253c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.