Retro palette
Iris Square
Dark anchor, working middle, light release: #224082, #4969ab, #6284c8, #7694cf, #91b0ed form a split-complementary retro set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyretrofive-stophigh-contrast
#224082
#4969ab
#6284c8
#7694cf
#91b0ed
The generator opens with #224082 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.