Jewel palette
Kindled Crater
From #005b7c ink through #0086b5, #36a2d2, #5db0da to #7acdf8 light, Kindled Crater 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
#005b7c
#0086b5
#36a2d2
#5db0da
#7acdf8
The generator opens with #005b7c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.