No, that's probably not too much.
50g carbs x 4 calories/g =200calories
100g protein x 4 calories/g = 400 calories
Those are decent numbers. The rest of your caloric needs will have to be filled with fat.
100g fat x 9 calories/g = 900 calories.
That gives you a grand total of 1500, which seems a bit low for most people doing crossfit. You could probably increase both your protein and add a few more carbs, but fat is where the bulk of your calories should come from.