| Capital Ratios of Hanmi Financial and Bank | 
 The capital ratios of Hanmi Financial and the Bank as of September 30, 2023 and December 31, 2022 were as follows: 
  
      
       
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        Minimum  | 
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        Minimum to Be  | 
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        Regulatory  | 
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        Categorized as  | 
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        Actual  | 
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        Requirement  | 
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        “Well Capitalized”  | 
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        Amount  | 
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        Ratio  | 
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        Amount  | 
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        Ratio  | 
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        Amount  | 
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        Ratio  | 
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        (dollars in thousands)  | 
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        September 30, 2023  | 
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        Total capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        933,916  | 
           | 
           | 
           | 
        15.07  | 
        %  | 
           | 
        $  | 
        495,714  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        893,375  | 
           | 
           | 
           | 
        14.42  | 
        %  | 
           | 
        $  | 
        495,685  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
           | 
        $  | 
        619,607  | 
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           | 
           | 
        10.00  | 
        %  | 
        
       
        Tier 1 capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        761,969  | 
           | 
           | 
           | 
        12.30  | 
        %  | 
           | 
        $  | 
        371,786  | 
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           | 
        6.00  | 
        %  | 
           | 
        N/A  | 
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        N/A  | 
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        Hanmi Bank  | 
           | 
        $  | 
        831,428  | 
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           | 
        13.42  | 
        %  | 
           | 
        $  | 
        371,764  | 
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           | 
        6.00  | 
        %  | 
           | 
        $  | 
        495,685  | 
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           | 
           | 
        8.00  | 
        %  | 
        
       
        Common equity Tier 1 capital (to risk-weighted assets)  | 
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        Hanmi Financial  | 
           | 
        $  | 
        740,411  | 
           | 
           | 
           | 
        11.95  | 
        %  | 
           | 
        $  | 
        278,839  | 
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           | 
        4.50  | 
        %  | 
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        N/A  | 
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        N/A  | 
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        Hanmi Bank  | 
           | 
        $  | 
        831,428  | 
           | 
           | 
           | 
        13.42  | 
        %  | 
           | 
        $  | 
        278,823  | 
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        4.50  | 
        %  | 
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        $  | 
        402,744  | 
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           | 
        6.50  | 
        %  | 
        
       
        Tier 1 capital (to average assets):  | 
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                                                   | 
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        Hanmi Financial  | 
           | 
        $  | 
        761,969  | 
           | 
           | 
           | 
        10.27  | 
        %  | 
           | 
        $  | 
        296,662  | 
           | 
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           | 
        4.00  | 
        %  | 
           | 
        N/A  | 
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        N/A  | 
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        Hanmi Bank  | 
           | 
        $  | 
        831,428  | 
           | 
           | 
           | 
        11.25  | 
        %  | 
           | 
        $  | 
        295,515  | 
           | 
           | 
           | 
        4.00  | 
        %  | 
           | 
        $  | 
        369,394  | 
           | 
           | 
           | 
        5.00  | 
        %  | 
        
       
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        December 31, 2022  | 
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        Total capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        901,239  | 
           | 
           | 
           | 
        14.49  | 
        %  | 
           | 
        $  | 
        497,508  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
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        N/A  | 
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        N/A  | 
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        Hanmi Bank  | 
           | 
        $  | 
        860,503  | 
           | 
           | 
           | 
        13.86  | 
        %  | 
           | 
        $  | 
        496,607  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
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        $  | 
        620,758  | 
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           | 
           | 
        10.00  | 
        %  | 
        
       
        Tier 1 capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        728,344  | 
           | 
           | 
           | 
        11.71  | 
        %  | 
           | 
        $  | 
        373,131  | 
           | 
           | 
           | 
        6.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        797,608  | 
           | 
           | 
           | 
        12.85  | 
        %  | 
           | 
        $  | 
        372,455  | 
           | 
           | 
           | 
        6.00  | 
        %  | 
           | 
        $  | 
        496,607  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
        
       
        Common equity Tier 1 capital (to risk-weighted assets)  | 
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        Hanmi Financial  | 
           | 
        $  | 
        707,101  | 
           | 
           | 
           | 
        11.37  | 
        %  | 
           | 
        $  | 
        279,848  | 
           | 
           | 
           | 
        4.50  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        797,608  | 
           | 
           | 
           | 
        12.85  | 
        %  | 
           | 
        $  | 
        279,341  | 
           | 
           | 
           | 
        4.50  | 
        %  | 
           | 
        $  | 
        403,493  | 
           | 
           | 
           | 
        6.50  | 
        %  | 
        
       
        Tier 1 capital (to average assets):  | 
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           | 
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        Hanmi Financial  | 
           | 
        $  | 
        728,344  | 
           | 
           | 
           | 
        10.07  | 
        %  | 
           | 
        $  | 
        289,311  | 
           | 
           | 
           | 
        4.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        797,608  | 
           | 
           | 
           | 
        11.07  | 
        %  | 
           | 
        $  | 
        288,110  | 
           | 
           | 
           | 
        4.00  | 
        %  | 
           | 
        $  | 
        360,137  | 
           | 
           | 
           | 
        5.00  | 
        %  | 
        
       
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