Blue Hour palette
River Oasis
Dark anchor, working middle, light release: #0058a2, #0f81e5, #419eff, #67afff, #9fccff form a analogous blue hour set with somewhere to stand at every lightness. Made for tea packaging where the flavor color does the talking. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#0058a2
#0f81e5
#419eff
#67afff
#9fccff
The generator opens with #0058a2 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.