Aurora palette
Rocky Delta
Dark anchor, working middle, light release: #3d359e, #6161c8, #7a7de6, #8a8fea, #a7aeff form a split-complementary aurora 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.
blueaurorafive-stophigh-contrast
#3d359e
#6161c8
#7a7de6
#8a8fea
#a7aeff
The generator opens with #3d359e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.