Aurora palette
Pumice Oasis
From #306c93 ink through #007382, #107668, #318e9d to #379182 light, Pumice Oasis is a complementary progression that holds together at any size. Use it for book covers that read at thumbnail size.
skyaurorafive-stop
#306c93
#007382
#107668
#318e9d
#379182
The generator opens with #306c93 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.