    <SEC-DOCUMENT>0000017313-24-000035-index.html : 20240531
    <SEC-HEADER>0000017313-24-000035.hdr.sgml : 20240531
    <ACCEPTANCE-DATETIME>20240531160621
    ACCESSION NUMBER:		0000017313-24-000035
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20240531
    DATE AS OF CHANGE:		20240531

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CAPITAL SOUTHWEST CORP
    		CENTRAL INDEX KEY:			0000017313
    		ORGANIZATION NAME:
    		IRS NUMBER:				751072796
    		STATE OF INCORPORATION:			TX
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	814-00061
    		FILM NUMBER:		241009671

    	BUSINESS ADDRESS:
    		STREET 1:		8333 DOUGLAS AVE
    		STREET 2:		SUITE 1100
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75225
    		BUSINESS PHONE:		2142385700

    	MAIL ADDRESS:
    		STREET 1:		8333 DOUGLAS AVE
    		STREET 2:		SUITE 1100
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75225
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>defa14afy2024.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: defa14afy2024.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>capitalsouthwestcorporatio.jpg
    <TEXT>
    Document 2 - file: capitalsouthwestcorporatio.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>capitalsouthwestcorporatioa.jpg
    <TEXT>
    Document 3 - file: capitalsouthwestcorporatioa.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>