Blue Hour palette
Dewey Estuary
Dewey Estuary runs #005166 through #007c9a, #3397b6, #58a5c0 to #74c2dd in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#005166
#007c9a
#3397b6
#58a5c0
#74c2dd
The generator opens with #005166 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.