Nebula palette
Wisteria Atelier
From #482e99 ink through #6d5bc3, #8776e1, #958ae5 to #b1a7ff light, Wisteria Atelier is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
bluenebulafive-stophigh-contrast
#482e99
#6d5bc3
#8776e1
#958ae5
#b1a7ff
The generator opens with #482e99 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.