Jewel palette
Frosty Bluff
Dark anchor, working middle, light release: #003e83, #0663c8, #2e7fe7, #4f91e9, #72aeff form a monochromatic jewel set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#003e83
#0663c8
#2e7fe7
#4f91e9
#72aeff
The generator opens with #003e83 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.