Nautical palette
Dusky Boulevard
Dusky Boulevard runs #005566 through #008198, #349db4, #5aaabe to #77c7dc in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyannauticalfive-stop
#005566
#008198
#349db4
#5aaabe
#77c7dc
The generator opens with #005566 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.