Tableau html

<!DOCTYPE html>
<html>
	<head>
		<title>tableau</title>
		<meta charset="UTF-8" />
		<style type="text/css">
			div {
				border: 2px black solid;
				width: 100px;
				height: 30px;
			}
			#bloc {
				width: 100px;
				height: 134px;
				background-color: #2742FA;
			}
			#colone1 {
				position: relative;
				bottom: 138px;
				left: 100px;
			}
			#colone2 {
				position: relative;
				bottom: 172px;
				left: 202px;
			}
			.color1 {
				background-color: #2742FA;
			}
			.color2 {
				background-color: #45A8E8;
			}
			.color3 {
				background-color: #A8D7F6;
			}
		</style>
	</head>
	<body>
		<div id="bloc"></div>
		<div id="colone1">
			<div class="color1"></div><div class="color2"></div>
			<div class="color3"></div><div class="color2"></div>
		</div>
		<div id="colone2">
			<div class="color1"></div><div class="color2"></div>
			<div class="color3"></div><div class="color2"></div>
		</div>
	</body>
</html>
</body>
</html> 

<!DOCTYPE html>
<html>
	<head>
		<title>tableau</title>
		<meta charset="UTF-8" />
		<style type="text/css">
			table {
				border-collapse: collapse;
			}
			td {
				border: 1px solid black;
				width: 100px;
				height: 30px;
			}
			.color1 {
				background-color: #429EFB;
			}
			.color2 {
				background-color: #C4E0FC;
			}
			.color3 {
				background-color: #E0EDFA;
			}
		</style>
	</head>
	<body>
		<table>
			<tr>
				<td class="color1"></td><td class="color1"></td><td class="color1"></td>
			</tr>
			<tr>
				<td rowspan="4" class="color1"></td><td class="color2"></td><td class="color2"></td>
			</tr>
			<tr>
				<td class="color3"></td><td class="color3"></td>
			<tr>
				<td class="color2"></td><td class="color2"></td>
			</tr>
			<tr>
				<td class="color3"></td><td class="color3"></td>
			</tr>
		</table>
	</body>
</html>
</body>
</html>