Aurora palette
Firstlight Alley
From #00464c ink through #00717a, #308c95, #5299a1 to #6eb5bd light, Firstlight Alley is a analogous 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.
cyanaurorafive-stophigh-contrast
#00464c
#00717a
#308c95
#5299a1
#6eb5bd
The generator opens with #00464c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.