Opera palette
Brazen Square
Dark anchor, working middle, light release: #004971, #0072ac, #308dc9, #549cd0, #70b9ee form a triadic opera set with somewhere to stand at every lightness. Made for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004971
#0072ac
#308dc9
#549cd0
#70b9ee
The generator opens with #004971 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.