Jewel palette
Mustard Cottage
From #00438e ink through #0069d5, #2d86f4, #5097f5 to #7fb5ff light, Mustard Cottage is a tetradic progression that holds together at any size. Use it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#00438e
#0069d5
#2d86f4
#5097f5
#7fb5ff
The generator opens with #00438e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.