<SEC-DOCUMENT>0000917677-21-000035-index.html : 20210317
<SEC-HEADER>0000917677-21-000035.hdr.sgml : 20210317
<ACCEPTANCE-DATETIME>20210316195245
ACCESSION NUMBER:		0000917677-21-000035
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210317
DATE AS OF CHANGE:		20210316
EFFECTIVENESS DATE:		20210317

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SECURITY LIFE SEPARATE ACCOUNT L1
		CENTRAL INDEX KEY:			0000917677
		IRS NUMBER:				840499703
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-88148
		FILM NUMBER:		21747907

	BUSINESS ADDRESS:	
		STREET 1:		8055 EAST TUFTS AVENUE, SUITE 710
		STREET 2:		C/O SECURITY LIFE CENTER
		CITY:			DENVER
		STATE:			CO
		ZIP:			80203
		BUSINESS PHONE:		800-525-9852

	MAIL ADDRESS:	
		STREET 1:		8055 EAST TUFTS AVENUE, SUITE 710
		CITY:			DENVER
		STATE:			CO
		ZIP:			80237
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000917677
<SERIES-ID>S000000025
<SERIES-NAME>SECURITY LIFE SEPARATE ACCOUNT L1
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000003990
<CLASS-CONTRACT-NAME>Strategic Advantage
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>xsld-21.htm
<DESCRIPTION>SUPPLEMENT-MARCH 2021
<TEXT>
Document 1 - file: xsld-21.htm

</DOCUMENT>
</SEC-DOCUMENT>