Blue Hour palette
Dewey Station
Dark anchor, working middle, light release: #00477b, #006fbb, #2f8bd9, #539bde, #6fb7fc 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 as a text pair.
skybluehourfive-stophigh-contrast
#00477b
#006fbb
#2f8bd9
#539bde
#6fb7fc
The generator opens with #00477b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.