By normal contrast I mean the typical values you'd find under everyday lighting conditions.
Here's a step toward that direction.
The feet look like she's on her tiptoes, I don't really know what you're going for there.
The hair can be desaturated quite a bit and still be unnatural, it seems like that's what you were going for.
Breasts do not do that to a shirt, especially of that size. That line all the way down the left breast, just doesn't happen.
Belly button has too much detail for its size.
Imagine gripping a sword with your left hand, what shape does your hand make? Thumb goes over, wrist is relaxed.
Is the purple a scabbard? If so it cannot be bent as it would be physically impossible to draw or sheathe the sword.
I'd encourage you to outline her face so it's easier to read in light backgrounds.