In Portrait of a Lady in Blue, the viewer is greeted by a striking figure of a woman dressed in a deep blue gown. The rich color of her attire contrasts beautifully with her fair skin and dark hair. She gazes directly at the viewer, exuding confidence and poise.

The background is softly blurred, focusing attention on her elegant presence. The painting is executed in oil on canvas, showcasing the artist's skill in capturing texture and light. The brushwork is meticulous, allowing for fine details in the fabric of the dress and the woman's features. The use of color is particularly noteworthy, with the blue hue creating a sense of depth and richness.

This work exemplifies the Realism style, emphasizing lifelike representation. Raimundo de Madrazo y Garreta was a prominent Spanish painter known for his portraits. This particular work, Portrait of a Lady in Blue, reflects his ability to convey personality and character through facial expressions and attire. An interesting fact about this painting is that it was created during a time when portraiture was evolving, moving towards more naturalistic representations.

Madrazo's work remains significant in the study of 19th-century Spanish art.