Jewel palette
Prairie Library
From #0048a5 ink through #2270e2, #428dff, #619fff to #93beff light, Prairie Library is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyjewelfive-stop
#0048a5
#2270e2
#428dff
#619fff
#93beff
The generator opens with #0048a5 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.