Disco palette
Umber Bakery
Dark anchor, working middle, light release: #213090, #445cba, #5c77d8, #6f89dc, #8aa5fb form a triadic disco 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.
skydiscofive-stophigh-contrast
#213090
#445cba
#5c77d8
#6f89dc
#8aa5fb
The generator opens with #213090 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.