Jewel palette
Lullaby Estuary
From #2a3c7a ink through #4f64a3, #687fc0, #7a8fc7 to #95abe5 light, Lullaby Estuary is a analogous progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#2a3c7a
#4f64a3
#687fc0
#7a8fc7
#95abe5
The generator opens with #2a3c7a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.