Jewel palette
Maritime Cellar
Dark anchor, working middle, light release: #243593, #4860bd, #607bdb, #748ddf, #8ea9fe form a complementary jewel set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#243593
#4860bd
#607bdb
#748ddf
#8ea9fe
The generator opens with #243593 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.