FortyOneShades.cs

using System;

namespace FortyOneShades
{
	class Program
	{
		static int[] values = new int[]{
			0x276AD9,
			0x3E6FD9,
			0x3A6FDE,
			0x326AED,
			0x366AEC,
			0x4078ED,
			0x2F6FEC,
			0x3084DE,
			0x276DE5,
			0x287DEC,
			0x306DD9,
			0x377CE2,
			0x356DE2,
			0x3776DE,
			0x3A6AE8,
			0x2D6AE0,
			0x3679DD,
			0x276EDE,
			0x3A73E0,
			0x356AF0,
			0x307EE1,
			0x277EE1,
			0x2C6AE2,
			0x3578E8,
			0x3D6BED,
			0x3079E7,
			0x276BE7,
			0x2B6AE9,
			0x367DEC,
			0x306CE2,
			0x3373ED,
			0x406AE8,
			0x2D6AED,
			0x2C6DE1,
			0x3579E5,
			0x3671F2,
			0x276BE7,
			0x2B6AEC,
			0x2A73DE,
			0x356DDE,
			0x4285F4,
		};

		const string alphabet = " abcdefghijklmnopqrstuvwxyz.";

		static void Main(string[] args)
		{
			byte key1 = (byte)(values[0] >> 16);
			byte key2 = (byte)(values[0]  >> 8);
			byte key3 = (byte)(values[0]  >> 0);

			for (int i = 1; i < values.Length; i++)
			{
				Console.Write(alphabet[((values[i] >> 16) & 0xFF) - key1]);
				Console.Write(alphabet[((values[i] >>  8) & 0xFF) - key2]);
				Console.Write(alphabet[((values[i] >>  0) & 0xFF) - key3]);
			}

			Console.ReadLine();
		}
	}
}

In javascript:

var values = [0x276AD9, 0x3E6FD9, 0x3A6FDE, 0x326AED, 0x366AEC, 0x4078ED, 0x2F6FEC, 0x3084DE, 0x276DE5, 0x287DEC, 0x306DD9, 0x377CE2, 0x356DE2, 0x3776DE, 0x3A6AE8, 0x2D6AE0, 0x3679DD, 0x276EDE, 0x3A73E0, 0x356AF0, 0x307EE1, 0x277EE1, 0x2C6AE2, 0x3578E8, 0x3D6BED, 0x3079E7, 0x276BE7, 0x2B6AE9, 0x367DEC, 0x306CE2, 0x3373ED, 0x406AE8, 0x2D6AED, 0x2C6DE1, 0x3579E5, 0x3671F2, 0x276BE7, 0x2B6AEC, 0x2A73DE, 0x356DDE, 0x4285F4];
var alphabet = " abcdefghijklmnopqrstuvwxyz."
values.slice(1).map(function(v){return v-values[0];}).map(function(v){return alphabet[(v>>16 & 0xFF)] + alphabet[(v>>8 & 0xFF)] + alphabet[(v>>0 & 0xFF)];}).join("");

"we seek to synthesize classic principles of good design with the innovation and possibility of technology and science..."

In Python (3.4):

values = [0x276AD9, 0x3E6FD9, 0x3A6FDE, 0x326AED, 0x366AEC, 0x4078ED, 0x2F6FEC, 0x3084DE, 0x276DE5, 0x287DEC, 0x306DD9, 0x377CE2, 0x356DE2, 0x3776DE, 0x3A6AE8, 0x2D6AE0, 0x3679DD, 0x276EDE, 0x3A73E0, 0x356AF0, 0x307EE1, 0x277EE1, 0x2C6AE2, 0x3578E8, 0x3D6BED, 0x3079E7, 0x276BE7, 0x2B6AE9, 0x367DEC, 0x306CE2, 0x3373ED, 0x406AE8, 0x2D6AED, 0x2C6DE1, 0x3579E5, 0x3671F2, 0x276BE7, 0x2B6AEC, 0x2A73DE, 0x356DDE, 0x4285F4]
values = [(v - values[0]) % 0xFFFFFF for v in values[1:]]
alphabet = " abcdefghijklmnopqrstuvwxyz."
chars = [alphabet[(v >> n) % 256] for v in values for n in (16, 8, 0)]
''.join(chars)

Haskell:

import Data.Bits
import Data.List

keyValue = 0x276AD9

values = [0x3E6FD9, 0x3A6FDE, 0x326AED, 0x366AEC, 0x4078ED, 0x2F6FEC, 0x3084DE, 0x276DE5, 0x287DEC, 0x306DD9, 0x377CE2, 0x356DE2, 0x3776DE, 0x3A6AE8, 0x2D6AE0, 0x3679DD, 0x276EDE, 0x3A73E0, 0x356AF0, 0x307EE1, 0x277EE1, 0x2C6AE2, 0x3578E8, 0x3D6BED, 0x3079E7, 0x276BE7, 0x2B6AE9, 0x367DEC, 0x306CE2, 0x3373ED, 0x406AE8, 0x2D6AED, 0x2C6DE1, 0x3579E5, 0x3671F2, 0x276BE7, 0x2B6AEC, 0x2A73DE, 0x356DDE, 0x4285F4]

intBytes x = map ((.&. 0xFF) . shiftR x . (8*)) [3,2..0]

--

values' = map (\x -> x - keyValue) values

alphabet = [' '] ++ ['a' .. 'z'] ++ ['.']

solution = map ((!!) alphabet) $ concatMap (drop 1 . intBytes) values'