Petrichor palette
Ochre Lighthouse
From #004852 ink through #007382, #318e9d, #539ca9 to #6fb8c5 light, Ochre Lighthouse 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.
cyanpetrichorfive-stophigh-contrast
#004852
#007382
#318e9d
#539ca9
#6fb8c5
The generator opens with #004852 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.