Retro palette
Mercurial Caravan
Dark anchor, working middle, light release: #203b88, #4665b2, #5f80d0, #7391d5, #8eadf3 form a monochromatic retro set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
skyretrofive-stophigh-contrast
#203b88
#4665b2
#5f80d0
#7391d5
#8eadf3
The generator opens with #203b88 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.