Blue Hour palette
Chalky Cellar
From #00457c ink through #006cbd, #2f88db, #5198df to #6db4fe light, Chalky Cellar is a tetradic progression that holds together at any size. Use it for farmers-market stalls seen from across the parking lot. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#00457c
#006cbd
#2f88db
#5198df
#6db4fe
The generator opens with #00457c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.