Aurora palette
Yonder Heath
From #3c54ab ink through #637fd6, #7d9bf5, #91acf9 to #b7cbff light, Yonder Heath is a analogous 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 for large text.
skyaurorafive-stop
#3c54ab
#637fd6
#7d9bf5
#91acf9
#b7cbff
The generator opens with #3c54ab as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.