An interlayer film for laminated glass, being provided with a dark color part, a gradation part and a transparent part, the dark color part, the gradation part and the transparent part being arranged side by side in the direction orthogonal to the thickness direction in this order, allowing laminated glass to have a parallel light transmittance in a portion of the dark color part less than or equal to 30% at the time of preparing the laminated glass with two sheets of clear glass in accordance with JIS R3202, allowing the parallel light transmittance in a portion of the gradation part of the laminated glass to be continuously increased from the dark color part side to the transparent part side, and allowing the laminated glass to have a parallel light transmittance in a portion of the transparent part greater than or equal to 60%, the gradation part having a parallel light transmittance of greater than 30% and less than 60%, comprising the following first configuration or comprising the following second configuration: The first configuration: Each of the dark color part, the gradation part and the transparent part has a first resin layer containing a thermoplastic resin and a plasticizer, each of the dark color part and the gradation part further has a second resin layer being embedded in the first resin layer so as to allow the first resin layer to be situated on surfaces at both sides in the thickness direction and containing a thermoplastic resin, a plasticizer and inorganic particles, and the thickness of the second resin layer in the gradation part is continuously decreased from the dark color part side to the transparent part side so as to allow the parallel light transmittance in a portion of the gradation part of the laminated glass to be continuously increased from the dark color part side to the transparent part side; The second configuration: Each of the dark color part, the gradation part and the transparent part has a second resin layer containing a thermoplastic resin, a plasticizer and inorganic particles, each of the gradation part and the transparent part further has a first resin layer being embedded in the second resin layer so as to allow the second resin layer to be situated on surfaces at both sides in the thickness direction and containing a thermoplastic resin and a plasticizer, and the total thickness of the second resin layers in the gradation part is continuously decreased from the dark color part side to the transparent part side so as to allow the parallel light transmittance in a portion of the gradation part of the laminated glass to be continuously increased from the dark color part side to the transparent part side, wherein the interlayer film allows laminated glass to have a minimum value of a total light transmittance in a portion of the dark color part greater than or equal to 50% at the time of preparing the laminated glass with two sheets of clear glass in accordance with JIS R3202, the respective light transmittance being measured as set out in the description. The first configuration: Each of the dark color part, the gradation part and the transparent part has a first resin layer containing a thermoplastic resin and a plasticizer, each of the dark color part and the gradation part further has a second resin layer being embedded in the first resin layer so as to allow the first resin layer to be situated on surfaces at both sides in the thickness direction and containing a thermoplastic resin, a plasticizer and inorganic particles, and the thickness of the second resin layer in the gradation part is continuously decreased from the dark color part side to the transparent part side so as to allow the parallel light transmittance in a portion of the gradation part of the laminated glass to be continuously increased from the dark color part side to the transparent part side; The second configuration: Each of the dark color part, the gradation part and the transparent part has a second resin layer containing a thermoplastic resin, a plasticizer and inorganic particles, each of the gradation part and the transparent part further has a first resin layer being embedded in the second resin layer so as to allow the second resin layer to be situated on surfaces at both sides in the thickness direction and containing a thermoplastic resin and a plasticizer, and the total thickness of the second resin layers in the gradation part is continuously decreased from the dark color part side to the transparent part side so as to allow the parallel light transmittance in a portion of the gradation part of the laminated glass to be continuously increased from the dark color part side to the transparent part side, wherein the interlayer film allows laminated glass to have a minimum value of a total light transmittance in a portion of the dark color part greater than or equal to 50% at the time of preparing the laminated glass with two sheets of clear glass in accordance with JIS R3202, the respective light transmittance being measured as set out in the description.