Color.blue

static var blue : Color

Description

Solid blue. RGBA is (0, 0, 1, 1).

JavaScript
    // Assign a blue color to this transform's material
transform.renderer.material.color = Color.blue;

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Example() {
transform.renderer.material.color = Color.blue;
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Example():
transform.renderer.material.color = Color.blue