Nebula palette
Woolen Bazaar
Dark anchor, working middle, light release: #003b99, #2965cc, #4481eb, #5e93ed, #82b0ff form a split-complementary nebula 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.
skynebulafive-stophigh-contrast
#003b99
#2965cc
#4481eb
#5e93ed
#82b0ff
The generator opens with #003b99 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.