12 Blue Crochet Blanket Patterns for Every Shade of Cozy

Blue offers a wide range of moods, from pale icy tints to deep navy and rich ocean shades. Crochet blankets in blue can feel calm, bold, or cozy, depending on how the shades are combined. Some patterns use subtle transitions, while others feature striking contrasts with multiple blues. Whether you like pastels, jewel tones, or a mix of light and dark blues, these free crochet blanket patterns inspire beautiful and unique creations.

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1. Mila Crochet Blanket Pattern

Soft aqua and turquoise shades give this crochet blanket a wonderfully fresh, serene appearance. The textured stitch pattern creates plenty of visual depth across the surface, while a ribbed border frames the blanket neatly around the edges. The combination of color and texture makes it feel both calming and beautifully tactile.

A light blue crochet blanket is draped over a beige chair with a white textured cushion. A green plant and a round woven ottoman are nearby on a wooden floor.

PHOTOS by Jennifer Renaud / Ravelry.com

Find the original pattern on acrochetedsimplicity.com, or read more about it on Ravelry.

2. Starry Sky Blanket Free Pattern

Against a deep navy background, constellations emerge like a star-filled night sky in this striking crochet blanket. The stars are connected into recognizable patterns, including the familiar shape of the Big Dipper, creating a beautiful celestial composition across the surface. A contrasting pink-and-yellow border adds an unexpected burst of color around the edges.

A child holds a blue crochet blanket adorned with colorful star constellations and a pink border; the blue crochet blanket is also shown folded.

PHOTOS by Red Heart Design Team / Ravelry.com

Find the original pattern on yarnspirations.com, or read more about it on Ravelry.

3. Endless Comfort Square Blanket Crochet Pattern

Muted shades of blue come together beautifully in this soft-looking crochet blanket, with rows of shell-like stitches creating its distinctive texture. Small openings between the shells add an airy, lace-like quality without overwhelming the calm color palette. The result is a cozy piece with a subtle rhythm that is especially pleasing to look at.

Two close-up shots of a hand holding a blue crochet blanket featuring a multicolored floral motif and scalloped edges in shades of blue, purple, and light green.

PHOTOS by Oombawka Design Crochet / Ravelry.com

Find the original pattern on oombawkadesigncrochet.com, or read more about it on Ravelry.

4. SnugglePop Baby Blanket Free Crochet Pattern

Built from blue-toned crochet squares, this blanket gets its character from the dimensional flower-like motifs at the center of each one. Raised bobble stitches create a tactile floral effect that stands out against the surrounding stitches, giving the entire blanket a gentle three-dimensional texture. The different shades of blue tie the individual squares together beautifully.

A blue crochet blanket made of light blue yarn, crafted from joined granny squares, is shown folded and in a close-up view to highlight its intricate texture and pattern.

PHOTOS by Lisa Hounshell / Ravelry.com

Find the original pattern on Ravelry.

You may also like to discover some cute Free Crochet Animal Square Patterns for Blankets and More. Don’t you?

5. Bright Future Blanket

Classic crochet keeps this blue blanket timeless, while the yellow accents give it a cheerful twist. A bright yellow border frames the entire piece, with two wide yellow stripes running across the middle to echo the edging. The clean color placement creates a simple, graphic look that works beautifully in a modern space.

A rectangular blue crochet blanket with two horizontal yellow stripes and a yellow border, shown in full and in a close-up detail shot.

PHOTOS by Michael Sellick / Ravelry.com

Find the original pattern on thecrochetcrowd.com, or read more about it on Ravelry.

6. Easy Link Baby Blanket Pattern

Soft shades of blue and turquoise flow across this blue crochet blanket in gentle stripes. The delicate palette gives the piece a calm, airy character, while the repeated bands of color keep the surface visually interesting. It would be an easy choice for adding a subtle splash of color to a bedroom, nursery, or favorite reading corner.

A blue crochet blanket with green and cream stripes draped over a wicker chair.

PHOTOS by Lynne Samaan / Ravelry.com

Find the original pattern on d60crochet.com, or read more about it on Ravelry.

7. Miguel’s Blanket

Small blue crochet squares come together to create a blanket with an airy, delicate finish. Instead of joining the motifs edge to edge, the squares are connected with open mesh spaces that form a subtle pattern throughout the fabric. The combination of repeated motifs and little gaps gives the blanket a relaxed, lightweight character, making it a lovely accent for a bed, sofa, or nursery.

Blue crochet blanket featuring a repeating openwork stitch pattern, a scalloped edge, and small white flower decorations.

PHOTOS by Ashlea Schumaker / Ravelry.com

Find the original pattern on hearthookhome.com, or read more about it on Ravelry.

8. Long Stitch Blanket

Texture takes center stage in this blue crochet blanket, turning a simple color palette into something much more visually engaging. The interesting stitchwork creates depth across the surface, giving the fabric a tactile quality that looks inviting even from a distance. Its soothing blue shade keeps the overall effect calm and versatile, while the rich texture makes it a standout handmade addition to a cozy interior.

A blue variegated crochet blanket with a textured stitch, draped over a white wooden railing.

PHOTOS by Kristi Simpson / Ravelry.com

Find the original pattern on cascadeyarns.com, or read more about it on Ravelry.

9. Dusk & Dawn Windowpane Blanket

A rich blue background and delicate pink grid give this crochet blanket a neat, geometric finish. Fine light-pink lines divide the surface into small squares, adding definition without distracting from the simplicity of the overall pattern. The contrast between the two colors creates a fresh, understated look that works beautifully in a bedroom or living space.

A square, dark blue crochet blanket featuring a light pink grid pattern.

PHOTOS by Yarnspirations Design Studio / Ravelry.com

Find the original pattern on yarnspirations.com, or read more about it on Ravelry.

10. Heart Baby Blanket Crochet Pattern

Sometimes a simple color combination makes the strongest impression. This blue crochet blanket features a classic stitch pattern, with rows of large white hearts running along both short edges. The restrained layout lets the heart motifs stand out against the solid blue center, creating a design that feels both minimal and affectionate.

Two photos of a dark blue crochet blanket featuring rows of white hearts at the top and bottom edges.

PHOTOS by Melissa Hassler / Ravelry.com

Find the original pattern on lovableloops.com, or read more about it on Ravelry.

11. Dotted Duet Blanket

Green dots scattered across a blue background give this crochet blanket a bold, playful pattern. The repeating circles create a polka-dot effect across the fabric, offering a fresh alternative to traditional stripes or squares. Try it in a large size to let the contrast between the two colors really stand out.

A blue crochet blanket featuring a teal circle pattern on a dark background, shown flat and draped over a sofa.

PHOTOS by Red Heart Design Team / Ravelry.com

Find the original pattern on yarnspirations.com, or read more about it on Ravelry.

12. Baby Jack’s Crochet Wavy Lines Blanket

Fine white lines sweep across this light blue crochet blanket like waves moving over water. Seen across the full surface, the repeating pattern creates a calm, flowing effect that feels almost like a seascape. The simple two-color palette lets the wavy lines do all the work, making the blanket a lovely choice for a relaxed, coastal-inspired interior.