await using var ctx = new BlogContext();
await ctx.Database.EnsureDeletedAsync();
await ctx.Database.EnsureCreatedAsync();

ctx.Database.ExecuteSqlInterpolated($@"SELECT * FROM ""Blogs"" WHERE ""Name"" = {new NameWrapper { Name = "foo " }}");

public class BlogContext : DbContext
{
    public DbSet<Blog> Blogs { get; set; }

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        => optionsBuilder
            .UseSqlServer(@"Server=localhost;Database=test;User=SA;Password=Abcd5678;Connect Timeout=60;ConnectRetryCount=0")
            .LogTo(Console.WriteLine, LogLevel.Information)
            .EnableSensitiveDataLogging();

protected override void ConfigureConventions(ModelConfigurationBuilder configurationBuilder)
{
    configurationBuilder.DefaultTypeMapping<NameWrapper>()
        .HasConversion(typeof(NameWrapperConverter));
}

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<Blog>().Property(b => b.Name)
            .HasConversion(typeof(NameWrapperConverter));
    }

    class NameWrapperConverter : ValueConverter<NameWrapper, string>
    {
        public NameWrapperConverter()
            : base(nw => nw.Name, s => new NameWrapper { Name = s })
        {

        }
    }
}

public class Blog
{
    public int Id { get; set; }
    public NameWrapper Name { get; set; }
}

public class NameWrapper
{
    public string Name { get; set; }
}