The present invention addresses the problem of providing: a rubber composition for hoses, which has good oil resistance and also has excellent cold resistance and workability during production thereof; and a hydraulic hose. For solving the problem, the present invention is characterized by comprising, as rubber components, (A) an acrylonitrile butadiene rubber having an acrylonitrile content of less than 26% and (B) an acrylonitrile butadiene rubber having an acrylonitrile content of 26% or more, wherein the ratio of the mass of the acrylonitrile butadiene rubber (A) to the mass of the acrylonitrile butadiene rubber (B) is 15:85 to 45:55.