Neon palette
Velvet Bluff
Dark anchor, working middle, light release: #39337f, #5d5ca8, #7677c5, #8688cc, #a1a4ea form a monochromatic 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.
blueneonfive-stophigh-contrast
#39337f
#5d5ca8
#7677c5
#8688cc
#a1a4ea
The generator opens with #39337f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.