Aurora palette
Ebony Harbor
Dark anchor, working middle, light release: #4e5aa6, #7684d1, #91a0ef, #a3b1f5, #c5d0ff form a analogous aurora set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skyaurorafive-stop
#4e5aa6
#7684d1
#91a0ef
#a3b1f5
#c5d0ff
The generator opens with #4e5aa6 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.