Jewel palette
Denim Gazebo
From #2148a8 ink through #4974d2, #6390f1, #79a1f4 to #9fbfff light, Denim Gazebo 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.
skyjewelfive-stop
#2148a8
#4974d2
#6390f1
#79a1f4
#9fbfff
The generator opens with #2148a8 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.