Ma ce l'hai gia` l'esempio!!



<select size="1" name="menu" >
<option value="a" style="color: #000080">a</option>
<option value="b" style="color: #000080">b</option>
<option value="c" style="color: #000080">c</option>
</select></p>



Oppure:
<style type="text/css">
.azzurro {
color: #000080;
font-size: 1.5;
}
</style>
...


<select size="1" name="menu" >
<option value="a" class="azzurro">a</option>
<option value="b" class="azzurro">b</option>
<option value="c" class="azzurro">c</option>
</select></p>

Ciao
Michele