Jewel palette
Steely Cellar
Dark anchor, working middle, light release: #006b98, #2196d0, #47b3ee, #6cc2f5, #a5dcff form a analogous jewel set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanjewelfive-stop
#006b98
#2196d0
#47b3ee
#6cc2f5
#a5dcff
The generator opens with #006b98 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.