Blue Hour palette
Opal Beacon
Opal Beacon runs #00497a through #0071b9, #308dd7, #549cdc to #70b9fa in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#00497a
#0071b9
#308dd7
#549cdc
#70b9fa
The generator opens with #00497a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.