Aurora palette
Butter Estuary
From #432a9c ink through #6658c6, #7f74e5, #8e87e8 to #aaa5ff light, Butter Estuary is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
blueaurorafive-stophigh-contrast
#432a9c
#6658c6
#7f74e5
#8e87e8
#aaa5ff
The generator opens with #432a9c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.