Jewel palette
Sable Prairie
Dark anchor, working middle, light release: #2c43a1, #526ecb, #6b8ae9, #7f9bed, #a0b9ff 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 for large text.
skyjewelfive-stop
#2c43a1
#526ecb
#6b8ae9
#7f9bed
#a0b9ff
The generator opens with #2c43a1 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.