Jewel palette
Cinnamon Canyon
Five jewel stops with room to breathe — #00618a grounds, #398bb8 and #57a7d5 do the talking, #74b6de softens, #90d3fc lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyjewelfive-stop
#00618a
#398bb8
#57a7d5
#74b6de
#90d3fc
The generator opens with #00618a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.