A blue colored composition for a color filter contains a pigment carrier comprising a transparent resin, a precursor thereof or a mixture thereof, a blue pigment having a specific surface area of 90 to 140 m.sup.2/g, and a violet pigment having a specific surface area in a range of 100 to 150 m.sup.2/g, but having a greater specific surface area than that of the blue pigment used. A color filter includes a filter segment formed from the blue colored composition.