Monochrome palette
Mahogany Alley
From #005466 ink through #007f99, #349bb5, #59a8bf to #76c5dc light, Mahogany 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 for large text.
cyanmonochromefive-stop
#005466
#007f99
#349bb5
#59a8bf
#76c5dc
The generator opens with #005466 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.