Disco palette
Golden Archive
Golden Archive runs #20418d through #476bb7, #6086d5, #7597da to #90b3f9 in five measured steps, the monochromatic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skydiscofive-stophigh-contrast
#20418d
#476bb7
#6086d5
#7597da
#90b3f9
The generator opens with #20418d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.