Aurora palette
Ember Harbor
From #2933ac ink through #4b62d7, #637ef6, #7791f8 to #9ab1ff light, Ember Harbor is a split-complementary progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
blueaurorafive-stophigh-contrast
#2933ac
#4b62d7
#637ef6
#7791f8
#9ab1ff
The generator opens with #2933ac as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.