Monochrome palette
Mahogany Depot
Mahogany Depot runs #004463 through #006d9b, #2f88b8, #5197bf to #6db3dd in five measured steps, the complementary 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.
skymonochromefive-stophigh-contrast
#004463
#006d9b
#2f88b8
#5197bf
#6db3dd
The generator opens with #004463 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.