Neon palette
Midnight Square
Dark anchor, working middle, light release: #3541a7, #5a6dd1, #7389f0, #869bf3, #a8baff form a triadic neon 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.
skyneonfive-stophigh-contrast
#3541a7
#5a6dd1
#7389f0
#869bf3
#a8baff
The generator opens with #3541a7 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.