Blue Hour palette
Opal Shrine
From #00699f ink through #1594db, #40b1fa, #68c0ff to #aadaff light, Opal Shrine is a monochromatic progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#00699f
#1594db
#40b1fa
#68c0ff
#aadaff
The generator opens with #00699f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.