Blue Hour palette
Crimson Canyon
From #00516c ink through #007ca2, #3398bf, #58a6c7 to #75c2e5 light, Crimson Canyon is a split-complementary progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#00516c
#007ca2
#3398bf
#58a6c7
#75c2e5
The generator opens with #00516c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.