The mild increase leaves reserves still down sharply from their peak of $3.99 trillion in June 2014.
Capital outflows from China have moderated, according to recent official data, in part helped by expectations the Fed will slow the pace of interest rate rises this year. Federal Reserve Chair Janet Yellen's comments last week that the U.S. central bank should proceed cautiously in adjusting policy have caused a broad-based retreat in the dollar.
Central bank governor Zhou Xiaochuan said last month recent data showed a significant easing in capital outflows and short-term speculative money leaving China was not worrisome.
The central bank reported its net foreign exchange sales fell sharply to 228 billion yuan ($35.2 billion) in February, down from 644.5 billion yuan in January, a sign of decreased government intervention in support of the yuan.