Bold Cobalt Radiant

#19089b

Notes

Bold Cobalt Radiant (#19089B) is a deep blue 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 (247°, 90%, 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX

#19089b

RGB

rgb(25, 8, 155)

HSL

hsl(247, 90%, 32%)