Opera palette
Nightfall Ridge
From #6167c9 ink through #0078c6, #00829b, #3294e4 to #009fbd light, Nightfall Ridge is a analogous progression that holds together at any size. Use it for museum exhibition graphics with long sightlines.
blueoperafive-stop
#6167c9
#0078c6
#00829b
#3294e4
#009fbd
The generator opens with #6167c9 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.