https://en.wikipedia.org/wiki/Blue_and_White_(political_alliance)
Sorry I said left wing, but I think it is a combination of left/right. Wikepedia says “center/center right” but I’m not sure that is accurate either. One of the parties in the coalition was in the previous Netanyahu government. Maybe someone else can color in the affiliations.
Wikipedia: Ehud Barak
Other political affiliations:
Labor Party (until 2011)
Independence (2011–2012)
Independent (2012-2019)
https://en.wikipedia.org/wiki/Ehud_Barak