Blue Hour palette
Jadite Garret
From #00687e ink through #0095b3, #3ab1d0, #63bfd9 to #81ddf7 light, Jadite Garret is a analogous 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.
cyanbluehourfive-stop
#00687e
#0095b3
#3ab1d0
#63bfd9
#81ddf7
The generator opens with #00687e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.