Opera palette
Toasted Moor
From #006491 ink through #318fc3, #51abe1, #71bae8 to #97d6ff light, Toasted Moor is a monochromatic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#006491
#318fc3
#51abe1
#71bae8
#97d6ff
The generator opens with #006491 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.