Blue Hour palette
Golden Bookshop
From #00455f ink through #006e96, #2f89b2, #5197bb to #6eb4d8 light, Golden Bookshop is a analogous 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
#00455f
#006e96
#2f89b2
#5197bb
#6eb4d8
The generator opens with #00455f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.