Blue Hour palette
Velvet Lighthouse
From #6b2310 ink through #954d3a, #b26753, #bb7a69 to #d99683 light, Velvet Lighthouse 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.
redbluehourfive-stophigh-contrast
#6b2310
#954d3a
#b26753
#bb7a69
#d99683
The generator opens with #6b2310 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.