Jewel palette
Distant Abbey
Dark anchor, working middle, light release: #0738ab, #3366d5, #4c82f4, #6595f6, #8cb3ff form a analogous 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
#0738ab
#3366d5
#4c82f4
#6595f6
#8cb3ff
The generator opens with #0738ab as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.