Jewel palette
Hushed Fen
From #004378 ink through #0a6ab7, #3286d5, #5395d9 to #6eb2f8 light, Hushed Fen is a monochromatic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#004378
#0a6ab7
#3286d5
#5395d9
#6eb2f8
The generator opens with #004378 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.