Aurora palette
Inked Lighthouse
From #004a54 ink through #007584, #31909f, #549eab to #70bac7 light, Inked Lighthouse is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyanaurorafive-stophigh-contrast
#004a54
#007584
#31909f
#549eab
#70bac7
The generator opens with #004a54 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.