Jewel palette
Pewter Bluff
Pewter Bluff runs #004e5b through #00798c, #3294a8, #56a2b2 to #72becf in five measured steps, the triadic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanjewelfive-stop
#004e5b
#00798c
#3294a8
#56a2b2
#72becf
The generator opens with #004e5b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.