Variant: rs3804772 

    present in Gene: ATP1B3
    present in Chromosome: 3
    Position on Chromosome: 141915214
    Alleles of this Variant: G/A

rs3804772 in ATP1B3 gene and Hair Color PMID 30531825 2018 Genome-wide study of hair colour in UK Biobank explains most of the SNP heritability.