Vivid Indigo Firework

#3901a2

Notes

Vivid Indigo Firework (#3901A2) is a deep indigo with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (261°, 99%, 32%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX

#3901a2

RGB

rgb(57, 1, 162)

HSL

hsl(261, 99%, 32%)