“Her support of civil rights showed in her integration of daughter Caroline’s school class, in her support for a memorial to black activist Mary McLeod Bethune, in her visits to poverty-stricken areas of Washington, DC, and in her request that a black opera singer entertain at the White House.” https://millercenter.org/president/kennedy/essays/kennedy-1961-firstlady
So, as far as the official narrative is concerned, no. She was on board with her husband’s civil rights platform.
She turned the white house solarium into a kindergarten for her children and some select other kids. She included White House Press Secretary Andrew Hatcher’s son, who was African American. https://carlanthonyonline.com/2013/02/08/obamas-girls-teddys-boys-jackie-kennedys-kindergarten-school-tales-of-white-house-kids/
“Her support of civil rights showed in her integration of daughter Caroline’s school class, in her support for a memorial to black activist Mary McLeod Bethune, in her visits to poverty-stricken areas of Washington, DC, and in her request that a black opera singer entertain at the White House.” https://millercenter.org/president/kennedy/essays/kennedy-1961-firstlady
So, as far as the official narrative is concerned, no. She was on board with her husband’s civil rights platform.