Jewel palette
Marble Library
Marble Library runs #203f79 through #4767a2, #6082bf, #7491c6 to #8faee4 in five measured steps, the analogous structure keeping every neighbor honest. Reach for it for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#203f79
#4767a2
#6082bf
#7491c6
#8faee4
The generator opens with #203f79 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.