A kneeling figure in a white habit rests his head on his hand, leaning on a wooden bench with an open book before him. A rosary hangs from his waist, and the folds of his robe are rendered in creamy whites that catch the strong light falling from the upper right. To his right, an angel in a pink robe with a blue mantle stands, gesturing upward with one arm and looking toward the kneeling man.

The angel’s wings are visible, and the fabric of the garments is painted with broad, luminous brushstrokes that give a sense of weight and texture. Behind the kneeling figure, a wooden chair lies overturned, its legs splayed across the dark floor. A vision appears in the upper left, where a walled city, bathed in a supernatural blue light, emerges from a cloud-like formation above the scene.

The composition is arranged so that the figures occupy the lower half, while the vision occupies the upper left, creating a diagonal flow from the angel’s gesture to the city above. The background is nearly black, focusing attention on the illuminated figures and the glowing apparition. Light falls dramatically across the kneeling man’s face and robe, casting deep shadows and emphasizing the folds and textures of the fabric.

The painting’s surface shows smooth transitions in the modeling of flesh and fabric, with sharper lines defining the edges of the book and bench. The angel’s bare feet are visible, with one foot stepping forward onto the shadowed floor. The edge of the kneeling figure’s robe pools in soft, rounded folds that touch the lower left corner of the painting.

The top right corner is filled with deep, uninterrupted darkness, contrasting with the brightly lit figures. Subtle highlights on the angel’s curly hair catch the light, giving it a golden sheen. The city in the vision is detailed with small figures and buildings, and its blue glow softly diffuses into the surrounding cloud. The Vision of Saint Peter Nolasco was created by Francisco de Zurbarán in 1629.