Blue Hour palette
Butter Heath
Dark anchor, working middle, light release: #003e78, #2766ab, #4381c8, #5d91ce, #78adec form a complementary blue hour set with somewhere to stand at every lightness. Made for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#003e78
#2766ab
#4381c8
#5d91ce
#78adec
The generator opens with #003e78 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.