The phrase "a deeper contrast" is correct and usable in written English.
It can be used when discussing differences that are more pronounced or significant than those previously mentioned.
Example: "The study revealed a deeper contrast between the two groups than we initially anticipated."
Alternatives: "a more profound difference" or "a greater disparity".
It highlights a deep contrast in views between media and governments regarding the "open" agenda.
We saw a deep contrast between President Obama's farewell speech in Chicago and President-Elect Trump's first press conference in Washington.
Although the entryway was immaculate, the second floor — where Jackson had been found by paramedics earlier that morning — was a deep contrast.
However, there was a deep contrast between what was written within the Kampuchean constitution and reality, because the Kampuchean people began to despair at what they viewed as the Vietnamese occupation of their country, rather than a liberation that had freed them from the brutality of Democratic Kampuchea.
A second and deeper contrast concerns the foundational role of the contractile surface with respect to a skin brain organization.
For glioma detection at a deeper site, contrast agents with higher photoacoustic imaging sensitivity are needed.
The shelf edge gravity high is part of an edge effect gravity anomaly resulting from superposition of the shallow density contrast of water versus sediment/crust and the deeper contrast of mantle versus crust across the margin.
According to many, the essentially normative aspect of meaning and content reflects a deep-lying contrast between mind and nature.
The bulk of the street wall was in contrasting stripes of brick, a deep red contrasting with a lighter color indecipherable in black and white photographs, perhaps tan or salmon.
This 32-inch LCD television utilizes an LED backlight, which is capable of displaying deeper contrasts and more vivid colors than the traditional fluorescent backlights found in older LCD TVs.
