Blue Hour palette
Flint Alley
From #004587 ink through #286dbb, #4589d9, #6099de to #7bb5fc light, Flint Alley is a triadic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004587
#286dbb
#4589d9
#6099de
#7bb5fc
The generator opens with #004587 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.