Blue Hour palette
Chambray Courtyard
Chambray Courtyard runs #004a5b through #00748e, #318faa, #549db4 to #70b9d1 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#004a5b
#00748e
#318faa
#549db4
#70b9d1
The generator opens with #004a5b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.