Aurora palette
Tranquil Inn
Dark anchor, working middle, light release: #3f28a9, #6159d4, #7975f3, #898af5, #a7abff form a split-complementary aurora set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
blueaurorafive-stophigh-contrast
#3f28a9
#6159d4
#7975f3
#898af5
#a7abff
The generator opens with #3f28a9 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.