Blue Hour palette
Gloaming Plaza
From #006284 ink through #008ebd, #38aadb, #61b9e2 to #81d6ff light, Gloaming Plaza is a analogous progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#006284
#008ebd
#38aadb
#61b9e2
#81d6ff
The generator opens with #006284 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.