Hot Cobalt Aura

#0a00d1

Notes

Hot Cobalt Aura (#0A00D1) is a true blue with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (243°, 100%, 41%) places it in the highly saturated band at a mid 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

#0a00d1

RGB

rgb(10, 0, 209)

HSL

hsl(243, 100%, 41%)