Earthy palette
Sunlit Harbor
From #851600 ink through #bd3a21, #dd583e, #e3725b to #ff9179 light, Sunlit Harbor 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.
redearthyfive-stophigh-contrast
#851600
#bd3a21
#dd583e
#e3725b
#ff9179
The generator opens with #851600 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.