"which contrasted with" is correct and usable in written English.
You can use it when you want to compare two different concepts, ideas, or situations. For example: Despite the sunshine in the morning, the afternoon brought heavy rain showers, which contrasted with the morning's bright weather.
Many voters warmed to his gregarious campaign style, which contrasted with the incumbent's stolid diffidence.
Her look – which contrasted with the ideal of Amazonian beauty of the 1980s – broke the mould.
Insurgents took advantage of a 1969 amnesty, which contrasted with the torture and assassinations other Latin governments used.
Perhaps it was the grim specificity of the stepfather's dream, which contrasted with the whirling happiness of the day.
A delicate ensalada del chef was crisp with Boston lettuce and jicama, which contrasted with tiny spheres of avocado.
He drew blazing playing from the orchestra, which contrasted with the dreamy beauty of the lyrical midsection.
No trend referable to time of year or day was identified, which contrasted with physician beliefs in our survey.
Hierarchical analysis of molecular variance indicated a non-significant difference between regions (Mediterranean v. Atlantic), which contrasted with the significant differences observed between samples within regions.
In drug-treated group, vessel section tended to be long and narrow, which contrasted with the round shaped vessel section observed in the control group.
Suger was greatly impressed by the strong, orderly administration of the Norman ruler, which contrasted with the chaotic feudalism in France.
The realism of these novels - which contrasted with his largely unpublished poetry - and his membership of the Communist party, made him unpopular with the French settlers.
