Change table header color using bootstrap
You could simply apply one of the bootstrap contextual background colors to the header row. In this case (blue background, white text): primary.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<table class="table" >
<tr class="bg-primary">
<th>
Firstname
</th>
<th>
Surname
</th>
<th></th>
</tr>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Jane</td>
<td>Roe</td>
</tr>
</table>
Here is another way to separate your table header and table body:
thead th {
background-color: #006DCC;
color: white;
}
tbody td {
background-color: #EEEEEE;
}
Have a look at this example for separation of head and body of table. JsFiddleLink
In your CSS
th {
background-color: blue;
color: white;
}