Jewel palette
Yonder Canyon
From #006c9d ink through #0098da, #3ab5f8, #66c4fe to #acddff light, Yonder Canyon is a analogous 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
#006c9d
#0098da
#3ab5f8
#66c4fe
#acddff
The generator opens with #006c9d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.