Blue Hour palette
Iris Archive
Iris Archive runs #910300 through #c04133, #e05e4e, #e67767 to #ff9888 in five measured steps, the monochromatic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
redbluehourfive-stophigh-contrast
#910300
#c04133
#e05e4e
#e67767
#ff9888
The generator opens with #910300 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.