Jewel palette
Sable Brook
Sable Brook runs #3039ae through #5367d9, #6c83f8, #7f96fa to #a2b6ff in five measured steps, the split-complementary structure keeping every neighbor honest. Reach for it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
bluejewelfive-stophigh-contrast
#3039ae
#5367d9
#6c83f8
#7f96fa
#a2b6ff
The generator opens with #3039ae as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.