Blue Hour palette
Peaty Cove
From #004275 ink through #0069b5, #2e85d3, #5094d7 to #6cb1f6 light, Peaty Cove is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#004275
#0069b5
#2e85d3
#5094d7
#6cb1f6
The generator opens with #004275 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.