Blue Hour palette
Dewey Cellar
From #004e9a ink through #3778c6, #5394e4, #6da4e9 to #90c1ff light, Dewey Cellar is a split-complementary progression that holds together at any size. Use it for dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004e9a
#3778c6
#5394e4
#6da4e9
#90c1ff
The generator opens with #004e9a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.