Blue Hour palette
Sienna Oasis
From #004759 ink through #00718c, #308ca8, #529ab2 to #6fb6cf light, Sienna Oasis is a complementary 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 as a text pair.
cyanbluehourfive-stophigh-contrast
#004759
#00718c
#308ca8
#529ab2
#6fb6cf
The generator opens with #004759 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.