Aurora palette
Sienna Lagoon
From #3a367c ink through #5f5fa5, #787ac2, #888bc9 to #a3a6e7 light, Sienna Lagoon is a monochromatic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
blueaurorafive-stophigh-contrast
#3a367c
#5f5fa5
#787ac2
#888bc9
#a3a6e7
The generator opens with #3a367c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.