Opera palette
Steely Reef
From #004d82 ink through #0f75bf, #3791dd, #59a1e2 to #77bdff light, Steely Reef is a complementary progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skyoperafive-stop
#004d82
#0f75bf
#3791dd
#59a1e2
#77bdff
The generator opens with #004d82 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.