Аннотация:Calibrations of the color indices (b-y)0 = F([c1], beta) and absolute magnitudes Mv=Mv(c0,beta) are obtained for high-luminosity stars with [m1]<=0.12. The applicability domains of the calibrations are determined purely photometrically in the ([c1],beta) and (c0,beta) planes and cover stars of spectral types OI-V through A3I-II. These calibrations are used to determine the distance moduli of LMC blue supergiants. The mean distance modulus averaged over 26 LMC stars was found to be 18.42+/-0.08 with s standard deviation for a single star being 0.38.