Aqueous dispersion of colored particles

A compound represented by General Formula (2) below:

• where R1 represents a hydrogen atom or a methyl group,
• R601 represents an alkyl group having 1 to 6 carbon atoms,
• R602 and R603 each independently represent an alkyl group having 1 to 30 carbon atoms,
• Y2 represents —O— or —NR10—, where R10 represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms,
• An− represents an anion,
• A1 represents an alkylene group having 1 to 21 carbon atoms which has in the chain thereof and/or at the terminal thereof at least one group selected from —O—, —OCO—, —COO—, —NHCO—, —CONH—, —NHCONH—, an arylene group, and a group represented by General Formula (2-1) below:
• where Y1 represents a nitrogen atom or a group represented by General Formula (2-2) below:
• n1 represents an integer from 0 to 2, and n2 represents an integer from 2 to 4, where n1+n2 is 3 or 4;
• an alkylene group having 1 to 21 carbon atoms which has in the chain thereof and/or at the terminal thereof at least one group selected from —O—, —OCO—, —COO—, —NHCO—, —CONH—, —NHCONH—, an arylene group, and the group represented by General Formula (2-1), and also has a hydroxy group as a substituent;
• an alkylene group having 1 to 21 carbon atoms which has a hydroxy group as a substituent;
• or
• an alkylene group having 1 to 21 carbon atoms.

A compound represented by General Formula (3) below:

• where R1 represents a hydrogen atom or a methyl group,
• R701 represents an alkyl group having 1 to 30 carbon atoms,
• Y2 represents —O— or —NR10—, where R10 represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms,
• A1 represents an alkylene group having 1 to 21 carbon atoms which has in the chain thereof and/or at the terminal thereof at least one group selected from —O—, —OCO—, —COO—, —NHCO—, —CONH—, —NHCONH—, an arylene group, and a group represented by General Formula (2-1) below:
• where Y1 represents a nitrogen atom or a group represented by General Formula (2-2) below:
• n1 represents an integer from 0 to 2, and n2 represents an integer from 2 to 4, where n1+n2 is 3 or 4;
• an alkylene group having 1 to 21 carbon atoms which has in the chain thereof and/or at the terminal thereof at least one group selected from —O—, —OCO—, —COO—, —NHCO—, —CONH—, —NHCONH—, an arylene group, and the group represented by General Formula (2-1), and also has a hydroxy group as a substituent;
• an alkylene group having 1 to 21 carbon atoms which has a hydroxy group as a substituent;
• or
• an alkylene group having 1 to 21 carbon atoms.