A device for performing colorimetric analysis, comprising: an imaging unit configured to take images of an object to be analyzed, wherein the object to be analyzed is a liquid, and wherein the imaging unit is configured to take an image of a test specimen that has been soaked with the liquid; a memory unit configured to store, as reference information, color information that represents a color of the test specimen in accordance with properties of the liquid; a conversion unit configured to convert at least one of a color space of the image data and a color space of the reference information to a common color space, if the color space of the image data of the object to be analyzed taken by the imaging unit and the color space of the reference information are different from each other; a degree of contamination correction unit configured to determine a degree of contamination of the liquid based on a color of the test specimen soaked with the object, and configured to apply a correction that is predetermined in accordance with the degree of contamination to the value converted by the conversion unit; a light source correction unit configured to calculate a color temperature of a light source based on the whole or a part of the image data of the image taken by the imaging unit, and configured to apply a correction in accordance with the color temperature to the value converted by the conversion unit corrected in accordance with the degree of contamination; a determination unit configured to determine the properties of the object to be analyzed by comparing color information of the image data corrected in accordance with the degree of contamination and the color temperature and the color information of the reference information in the common color space; and a display unit that displays the determination results of the determination unit. an imaging unit configured to take images of an object to be analyzed, wherein the object to be analyzed is a liquid, and wherein the imaging unit is configured to take an image of a test specimen that has been soaked with the liquid; a memory unit configured to store, as reference information, color information that represents a color of the test specimen in accordance with properties of the liquid; a conversion unit configured to convert at least one of a color space of the image data and a color space of the reference information to a common color space, if the color space of the image data of the object to be analyzed taken by the imaging unit and the color space of the reference information are different from each other; a degree of contamination correction unit configured to determine a degree of contamination of the liquid based on a color of the test specimen soaked with the object, and configured to apply a correction that is predetermined in accordance with the degree of contamination to the value converted by the conversion unit; a light source correction unit configured to calculate a color temperature of a light source based on the whole or a part of the image data of the image taken by the imaging unit, and configured to apply a correction in accordance with the color temperature to the value converted by the conversion unit corrected in accordance with the degree of contamination; a determination unit configured to determine the properties of the object to be analyzed by comparing color information of the image data corrected in accordance with the degree of contamination and the color temperature and the color information of the reference information color information of the image data corrected in accordance with the degree of contamination and the color temperature and the color information of the reference information in the common color space; and a display unit that displays the determination results of the determination unit.