Blue Hour palette
River Boulevard
From #004989 ink through #1671c7, #398de5, #599de9 to #7ebaff light, River Boulevard is a monochromatic progression that holds together at any size. Use it for coffee bags and cafe menus that need appetite on crowded shelves. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004989
#1671c7
#398de5
#599de9
#7ebaff
The generator opens with #004989 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.