Noir palette
Sooty Porch
Dark anchor, working middle, light release: #005e8b, #3288bc, #51a4da, #6fb3e1, #8bd0ff form a triadic noir set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skynoirfive-stop
#005e8b
#3288bc
#51a4da
#6fb3e1
#8bd0ff
The generator opens with #005e8b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.