F or over four decades, Anish Kapoor has forged a practice where reflection, color, and spatial illusion converge. Born in Mumbai and active in London since the 1970s, Kapoor emerged as a leading figure of the New British Sculpture movement. He has forged a singular, internationally influential trajectory marked by investigations into voids, reflective surfaces, material instability, and spatial transformation. His oeuvre encompasses intensely pigmented geometric forms, monumental public installations, vertiginous voids carved from stone or resin, and the now-iconic concave mirror sculptures that have reshaped the vocabulary of contemporary sculpture. Untitled (2005), from this celebrated series, exemplifies the artist’s enduring pursuit of the immaterial through material means. Executed at a moment when Kapoor’s global reputation was cemented by major institutional projects – including Marsyas at Tate Modern (2002) and the early development of Cloud Gate in Chicago – this work demonstrates how the artist’s experiments with color, depth, and perception coalesce into a singular meditation on the body’s relationship to space. Executed in 2005, the vibrant, saturated pink of Untitled marks one of Kapoor’s most chromatically arresting articulations of the concave mirror form, situating this sculpture at the very heart of his conceptual and aesthetic concerns.

Anish Kapoor in front of his work Sectional Body Preparing for Monadic Singularity during the presentation to the press of his exhibition "Anish Kapoor: Works, Thoughts, Experiments" in Serralves Museum and Park on July 06, 2018 in Porto, Portugal. Photo by Horacio Villalobos - Corbis/Corbis via Getty Images. Art © 2025 Anish Kapoor / Artists Rights Society (ARS), New York / DACS, London

First introduced in the late 1990s and continually developed across multiple decades, Kapoor’s wall-mounted concave mirrors occupy a central place in his practice. Their initial impact is one of sensuous simplicity; a single, perfectly curved surface seduces the eye with color and light. Their experiential complexity unfolds the moment the viewer enters their orbit. As viewers approach, their own image appears inverted and floating, the surrounding space curved and compressed into an uncanny panorama. The highly polished surface acts simultaneously as mirror, window, and void, subverting the viewer’s assumptions about spatial coherence.

Kapoor has long described his mirrors as instruments for transforming the space that surrounds us, both literally and metaphorically. This is no mere visual trick, but part of a broader investigation into the destabilization of fixed perception. As he has explained, “For many years, I’ve worked with concave mirror forms of all kinds, and concavity induces, or invites, interiority which is why I’m interested in it… it physically affects your body, it gives you vertigo, making you wonder, ‘Where is the object?’” (Anish Kapoor cited in Sonia Kolesnikov-Jessop, “Anish Kapoor on the Power of Concave Mirrors,” Cobo Social, 2019). In Untitled, the depth of the deep pink pigment intensifies this disorientation: the color itself becomes spatial, enveloping the viewer in a chromatic field that feels at once finite and immeasurable.

The concave mirror series transforms the act of looking into an act of embodied participation. The sculpture is activated not by passive observation but through movement, proximity, and shifting orientation. Kapoor’s mirrors resist the notion of sculpture as a fixed object occupying static space; instead, they function as phenomenological interfaces that draw the viewer into a transitional zone where subject and object are inseparable. As Kapoor has stated, “One is always returning to a similar set of problems about our body’s relation to space” (Ossian Ward, ‘It’s about.mes mory and sculpture,’ Deutsche Bank ArtMag, 2008). In works such as Untitled, the distinction between inside and outside, self and environment, appears to dissolve within the mirrored curvature, creating a suspended moment in which perception is rendered fluid and indeterminate.

Color plays a decisive role in the experiential architecture of this sculpture. Whereas Kapoor’s early pigment works employed deeply saturated hues to create illusionistic voids and optical intensities, the red lacquer of Untitled operates differently: the surface becomes a vessel for light itself. The pigment appears to radiate from within, as though lit by an interior glow, evoking the sensuous warmth of flesh, interiority, and desire. This chromatic depth corresponds to Kapoor’s ongoing interest in the metaphysical dimension of color, which, like the void, suggests the immaterial through material form. The sculpture’s seductive luminosity draws viewers toward it, while its curvature repels, warps, and destabilizes their image, creating a tension between attraction and dislocation that lies at the heart of Kapoor’s sculptural language.

Much of Kapoor’s oeuvre is concerned with the question of emptiness not as absence, but as potential. His void works, whether carved stone cavities or mirrored concavities, propose that emptiness is generative, a site of imagination and transformation. Untitled embodies this philosophy with particular elegance: the concave form appears both full and hollow, a container that contains nothing yet reflects everything. The viewer stands simultaneously outside the work and within its optical field. The “in-betweenness” that Kapoor often references becomes tangible; boundaries blur, and the sculpture becomes a threshold to a perceptual elsewhere.

Kapoor has described these encounters as forming what he calls a “here sublime,” a contemporary version of the sublime rooted not in overwhelming natural grandeur but in intimate, embodied confrontation. As he explains, “The sublime is a doorway to something that is bigger than us, but I think it can also be found in quiet, interior spaces” (Donna De Salvo, ‘Anish Kapoor in conversation’ in David Anfam, Ed., Anish Kapoor, 2009). The intense chromatic field of Untitled, combined with its spatial ambiguity, engenders precisely this updated sublime: a moment of heightened perception in which the viewer becomes aware of the instability of vision itself.

Through its seamless fusion of color, reflection, and form, Untitled (2005) exemplifies Kapoor’s defining contribution to contemporary sculpture. It occupies the liminal zone between painting and object, surface and depth, presence and void. Its polished concavity transforms the surrounding world into an ephemeral image that is perpetually reconstituted as viewers move before it. The work thus becomes an ever-changing event instead of a static sculpture. It is a vessel for experience, rather than a fixed form. In its paradoxical stillness and dynamism, its ability to hold space and destabilize it, Untitled stands not only as a masterwork of Kapoor’s mirror series but as a luminous articulation of the artist’s lifelong inquiry into the nature of perception, embodiment, and the sublime.