Blue Hour palette
Herbal Estuary
Dark anchor, working middle, light release: #004f6c, #0079a3, #3294c0, #57a3c8, #73bfe6 form a tetradic blue hour set with somewhere to stand at every lightness. Made for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#004f6c
#0079a3
#3294c0
#57a3c8
#73bfe6
The generator opens with #004f6c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.