Blue Hour palette
Denim Estuary
From #006d90 ink through #009ac9, #3bb7e7, #66c5ee to #9ce0ff light, Denim Estuary is a analogous 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.
cyanbluehourfive-stop
#006d90
#009ac9
#3bb7e7
#66c5ee
#9ce0ff
The generator opens with #006d90 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.