Blue Cosmic Grunge Cotton Wideback Fabric Per Yard from Moda is the deep galaxy-blue of the Grunge wideback line — a rich dark blue with dimensional painterly texture that makes longarm stitching pop dramatically on the reverse, in 108" seamless width.
Product Details
- Color: Deep rich blue with cosmic, galaxy-like depth — darker than standard blue
- Width: ~108" — queen and most king backs with no center seam
- Fabric: 100% quilting cotton — Grunge by BasicGrey for Moda
- Queen yardage: 3.5–4 yards with longarm overhang
- Shrinkage: 2–3% first wash — pre-wash dark fabrics to release excess dye
- Best behind: Patriotic, nautical, and blue-accented modern and scrappy fronts
Frequently Asked Questions
- Why choose a dark backing at all?
- Dark backs make quilting stitches dramatically visible — light thread on Blue Cosmic turns the reverse into a second design surface, and dark backs also hide wear and use far better than light ones.
- What bobbin strategy on a dark blue back?
- Matching navy for invisible tension joins on client work; a deliberately lighter thread when the back is meant as a showpiece — decide before loading, because the contrast is dramatic either way.
- Which fronts does it complete?
- Patriotic and nautical quilts most naturally, plus any modern or scrappy front with blue in the story — the deep back bookends the palette.
- Does the texture matter on a dark ground?
- More than on lights — the Grunge variation keeps the large dark field from reading flat, giving the back a dimensional, almost night-sky quality.
- Any dye caution?
- Standard dark-fabric practice: pre-wash before cutting so excess dye releases in the sink rather than against the quilt's light binding or front.

