Aurora palette
Bracken Crater
Dark anchor, working middle, light release: #353286, #595cb0, #7277ce, #8288d3, #9da4f1 form a tetradic 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
#353286
#595cb0
#7277ce
#8288d3
#9da4f1
The generator opens with #353286 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.