A cold-rolled steel sheet characterized by having: a chemical composition comprising, in mass%, C: 0.01 - 0.3%, Si: 0.01 - 2.0%, Mn: 0.5 - 3.5%, P: at most 0.1%, S: at most 0.05%, Nb: 0 - 0.03%, Ti: 0 - 0.06%, V: 0 - 0.3%, sol. Al: 0 - 2.0%, Cr: 0 - 1.0%, Mo: 0 - 0.3%, B: 0 - 0.003%, Ca: 0 - 0.003%, REM: 0 - 0.003%, and a remainder of Fe and impurities; a microstructure having a main phase of ferrite which comprises at least 50% by area and a second phase containing a total of at least 10% by area of a low temperature transformation phase including one or more of martensite, bainite, pearlite, and cementite and 0 - 3% by area of retained austenite, and satisfying the following Equations - ; and a texture in which the average X-ray intensity for the <145>, <123>, and <225> orientations at a depth of 1/2 of the sheet thickness is at least 4.0 times the average X-ray intensity of a random structure which does not have a texture, and by satisfying the following Equations - : d m < 2.7 + 10000 / 5 + 300 × C + 50 × Mn + 4000 × Nb + 2000 × Ti + 400 × V 2 d m < 4.0 d s ≤ 1.5 wherein C, Mn, Nb, Ti, and V indicate the contents (mass%) of the respective elements, d m is the average grain diameter (μm) of ferrite defined by a high angle grain boundary having a tilt angle of at least 15°, and d s is the average grain diameter (μm) of the second phase, and wherein when the steel sheet has a tensile strength of less than 800 MPa, the following Equation is satisfied, and when the steel sheet has a tensile strength of at least 800 MPa, the following Equation is satisfied: 3 × TS × El + TS × λ > 105000 3 × TS × El + TS × λ > 85000 wherein TS is the tensile strength (MPa), El is the total elongation, measured as the elongation at rupture (%), and λ is the percent hole expansion (%) defined in JFS T 1001-1996 of Japan Iron and Steel Federation Standards. a chemical composition comprising, in mass%, C: 0.01 - 0.3%, Si: 0.01 - 2.0%, Mn: 0.5 - 3.5%, P: at most 0.1%, S: at most 0.05%, Nb: 0 - 0.03%, Ti: 0 - 0.06%, V: 0 - 0.3%, sol. Al: 0 - 2.0%, Cr: 0 - 1.0%, Mo: 0 - 0.3%, B: 0 - 0.003%, Ca: 0 - 0.003%, REM: 0 - 0.003%, and a remainder of Fe and impurities; a microstructure having a main phase of ferrite which comprises at least 50% by area and a second phase containing a total of at least 10% by area of a low temperature transformation phase including one or more of martensite, bainite, pearlite, and cementite and 0 - 3% by area of retained austenite, and satisfying the following Equations - ; and a texture in which the average X-ray intensity for the <145>, <123>, and <225> orientations at a depth of 1/2 of the sheet thickness is at least 4.0 times the average X-ray intensity of a random structure which does not have a texture, and by satisfying the following Equations - : d m < 2.7 + 10000 / 5 + 300 × C + 50 × Mn + 4000 × Nb + 2000 × Ti + 400 × V 2 d m < 4.0 d s ≤ 1.5 wherein C, Mn, Nb, Ti, and V indicate the contents (mass%) of the respective elements, d m is the average grain diameter (μm) of ferrite defined by a high angle grain boundary having a tilt angle of at least 15°, and d s is the average grain diameter (μm) of the second phase, C, Mn, Nb, Ti, and V indicate the contents (mass%) of the respective elements, d m is the average grain diameter (μm) of ferrite defined by a high angle grain boundary having a tilt angle of at least 15°, and d s is the average grain diameter (μm) of the second phase, and wherein when the steel sheet has a tensile strength of less than 800 MPa, the following Equation is satisfied, and when the steel sheet has a tensile strength of at least 800 MPa, the following Equation is satisfied: 3 × TS × El + TS × λ > 105000 3 × TS × El + TS × λ > 85000 wherein TS is the tensile strength (MPa), El is the total elongation, measured as the elongation at rupture (%), and λ is the percent hole expansion (%) defined in JFS T 1001-1996 of Japan Iron and Steel Federation Standards. <EOS>