Aurora palette
Umber Archive
Umber Archive runs #2d367a through #515fa3, #6a7ac0, #7b8ac7 to #96a6e5 in five measured steps, the triadic structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skyaurorafive-stophigh-contrast
#2d367a
#515fa3
#6a7ac0
#7b8ac7
#96a6e5
The generator opens with #2d367a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.