Jewel palette
Sienna Bookshop
Dark anchor, working middle, light release: #28549a, #527ec4, #6c9ae2, #83aae8, #a3c7ff form a split-complementary jewel set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
skyjewelfive-stop
#28549a
#527ec4
#6c9ae2
#83aae8
#a3c7ff
The generator opens with #28549a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.