The space above the first tier text and the cap height of the first tier text equal the distance shown as 'X' within in the UCLA logo below.
The space between the first tier text and the x height of the second tier text also equals 'X'.
If the second tier text is longer than 50% of the width of the logo, then it should be set in two lines as shown below. The leading of the second line of text should be equal to the 'x' height of the text.
All type is flush left.