Several banks have announced initiatives totaling billions of dollars that are aimed at addressing racial inequalities, but observers say the programs need to be carefully tailored. City First Bank, a lender in Washington, closely cultivates relationships with its borrowers, finding ways to direct capital to promising but fledgling businesses. The bank is seeing an uptick in interest from larger financial institutions, said its chief lending officer, Sonja Wells, “but it’s all still at a smaller scale than it could be.”