Jewel palette
Copper Inn
From #004f5d ink through #007a8e, #3295aa, #56a3b4 to #73bfd1 light, Copper Inn is a analogous progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
cyanjewelfive-stop
#004f5d
#007a8e
#3295aa
#56a3b4
#73bfd1
The generator opens with #004f5d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.