A color imaging element including color filters arranged on pixels, wherein the color filter array includes a basic array pattern including first filters corresponding to a first color that most contributes to obtaining luminance signals and second filters corresponding to two or more second colors other than the first color, the basic array pattern repeatedly arranged in the horizontal and vertical directions, one or more first filters are arranged in each line in horizontal, vertical, and oblique directions of the color filter array, one or more second filters are arranged in each line in the horizontal and vertical directions of the color filter array in the basic array pattern, and a proportion of the number of pixels of the first color corresponding to the first filters is greater than proportions of the numbers of pixels of each color of the second colors corresponding to the second filters.