Ocean palette
Midnight Pier
From #005c78 ink through #0087af, #36a3cc, #5db1d4 to #7acef2 light, Midnight Pier 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 for large text.
cyanoceanfive-stop
#005c78
#0087af
#36a3cc
#5db1d4
#7acef2
The generator opens with #005c78 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.