A ver si te vale esto:
<table border="1" cellpadding="0" cellspacing="0" width=100%
style="border-collapse:collapse; border-color:#00008B">
<tr>
<td align="center" bgcolor="#5E9ACE"
style="border-collapse:collapse; border-color:#00008B">
</td></tr>
</table>
Saludos
