Blue Hour palette
Rocky Granary
Dark anchor, working middle, light release: #006a80, #0097b5, #3ab3d2, #64c1dc, #82dff9 form a monochromatic blue hour set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#006a80
#0097b5
#3ab3d2
#64c1dc
#82dff9
The generator opens with #006a80 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.