Jewel palette
Indigo Crossing
From #3240bd ink through #566fe8, #728dff, #86a0ff to #adc1ff light, Indigo Crossing is a complementary progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#3240bd
#566fe8
#728dff
#86a0ff
#adc1ff
The generator opens with #3240bd as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.