Blue Hour palette
Grape Brook
From #00407a ink through #0067bc, #2d83da, #4f93de to #6bb0fc light, Grape Brook is a monochromatic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#00407a
#0067bc
#2d83da
#4f93de
#6bb0fc
The generator opens with #00407a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.