Compound, tautomer of compound or salt of compound or tautomer, method for producing same, coloring composition, dyeing method, and dyed article

A compound represented by Formula 1, a tautomer of the compound, or a salt of the compound or the tautomer,

• wherein, in Formula 1, X— represents R1O—, R2aR2bN—, or R3S—, R1, R2a, and R2b each independently represent a hydrogen atom or an alkyl group, R3 represents an alkyl group, in a case where X— is R2aR2bN—, R2a and R2b may be the same or different from each other and R2a and R2b may be bonded to each other to form a nitrogen-containing hetero ring, R's each independently represent a substituent, n represents 0, 1, 2, or 3, in a case where n represents 2 or 3, R′s may be the same or different from each other, Ar represents an aromatic hydrocarbon group or a heterocyclic group, m1 represents 2 or 3, and in a case where ml represents 2 or 3, Ar's may be the same or different from each other, provided that at least one of Ar's is a heterocyclic group, and
• wherein the at least one of Ar's is a group represented by any of the group consisting of Formulae (A-1) to (A-27) and (A-28):
• in Formulae (A-1) to (A-25), (A-27) and (A-28), * represents a position bonded to an azo group in Formula 1, R21 to R27, R29, R31, and R33 to R53 each independently represent a halogen atom, an alkyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a nitro group, an alkoxy group, an aryloxy group, an amino group, an acylamino group, an aminocarbonylamino group, an alkoxycarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an alkylthio group, an arylthio group, a heterocyclicthio group, a sulfamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an acyl group, an alkoxycarbonyl group, or a carbamoyl group, R28 R30, and R32 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a nitro group, an alkoxy group, an aryloxy group, an amino group, an acylamino group, an aminocarbonylamino group, an alkoxycarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an alkylthio group, an arylthio group, a heterocyclicthio group, a sulfamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an acyl group, an alkoxycarbonyl group, or a carbamoyl group, adjacent groups among R21 to R53 may be bonded to each other to form a saturated or unsaturated 5- or 6-membered ring structure, a, p, q, r, and s represent an integer of 0 to 4, b and c represent an integer of 0 to 6, d, e, f, g, t, and u represent an integer of 0 to 3, h, i, j, k, l, and o represent an integer of 0 to 2, w represents an integer of 0 to 5, m represents 0 or 1, and two or more groups represented by R21 to R53 in a same molecule may be the same or different from each other.