Jewel palette
Umber Beacon
From #003f8b ink through #1a66c9, #3982e8, #5793ea to #7ab1ff light, Umber Beacon is a monochromatic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#003f8b
#1a66c9
#3982e8
#5793ea
#7ab1ff
The generator opens with #003f8b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.