Jewel palette
Indigo Mill
From #1a318b ink through #3e5cb5, #5677d3, #6a88d7 to #85a5f6 light, Indigo Mill is a complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#1a318b
#3e5cb5
#5677d3
#6a88d7
#85a5f6
The generator opens with #1a318b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.