Blueberry
Blueberry (#4F86F7) is a true azure with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (220°, 91%, 64%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel. The powdery mid-blue of a highbush blueberry (Vaccinium corymbosum) before the waxy bloom gets rubbed off. Under the bloom the skin is darker, almost black — but the color everyone pictures when they hear 'blueberry' is this sky-saturated tone.