Blue Hour palette
Leaden Reef
From #007085 ink through #219db7, #48bad4, #6ec7de to #8ce5fc light, Leaden Reef is a tetradic 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.
cyanbluehourfive-stop
#007085
#219db7
#48bad4
#6ec7de
#8ce5fc
The generator opens with #007085 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.