In Sylvia Plath's poem "Ariel," the imagery evokes a sense of stillness and emptiness, encapsulated in the phrase "stasis in darkness." This suggests a feeling of being suspended, trapped in an unchanging state, devoid of light or purpose. The darkness symbolizes a void, often associated with despair or introspection, reflecting the complexities of the human psyche.

The mention of "substanceless blue" conveys a sense of illusion or emptiness, contrasting the vibrant color with its lack of depth or meaning. This duality may represent the struggle between the desire for freedom and the weight of emotional burdens, highlighting Plath's exploration of identity and liberation within her work.