Spectrum Crochet Blanket Pattern

Spectrum Crochet Blanket in Sirdar Jewelspun Ombre

What is Being Made

The Spectrum Crochet Blanket is a square throw blanket measuring approximately 120 cm x 120 cm (47¼" x 47¼"). This one-size design creates a versatile home accessory perfect for layering on sofas or beds. The blanket showcases the beautiful ombre colour transitions inherent to Sirdar Jewelspun Ombre yarn, with each handmade project being unique due to the yarn's graduated colour gradient starting at different points in each ball.

Yarn and Materials

This project uses Sirdar Jewelspun Ombre yarn in the Aran weight category. The blanket requires 2 balls of shade 111 Tropical Haze (Yarn A) and 1 ball of shade 105 Silvery Moon (Yarn B). Each ball contains 400g of yarn, which minimises the need for joining and helps create a seamless ombre effect across the finished piece. A 6.00mm crochet hook (UK size 4, USA size J/10) is required to work this pattern.

Crochet Techniques and Stitches

The Spectrum Crochet Blanket employs fundamental crochet techniques suitable for intermediate crafters. The pattern utilises the magic ring method to begin construction, which creates a tight centre point ideal for circular or square blanket designs. The blanket is worked in rounds, building outward from the centre.

Key stitches featured in this design include:

• Double crochet (dc) – a fundamental stitch that creates a dense, structured fabric
• Chain stitches (ch) – used for spacing and corner details, with 2-chain spaces (2ch sp) creating decorative openings
• Corner increases – the pattern uses (1dc, 2ch, 1dc) into corner spaces to maintain the square shape and create symmetrical expansion with each round

The construction method involves working successive rounds that increase in size, with specific attention paid to corner spaces that help establish clean, squared edges. Yarn colour changes between Yarn A and Yarn B are incorporated to enhance the ombre effect and add visual interest to the finished blanket.

Pattern Details and Difficulty

Marked as an intermediate difficulty level, this pattern assumes familiarity with basic crochet fundamentals. The magic ring technique and round-based construction require some experience, though Sirdar patterns are triple-checked to guarantee success when using the specified yarns and tension. The pattern is downloadable in PDF format, making it convenient for digital access and printing.

Tension and Gauge

The recommended tension is 15 stitches over 10 cm (4 inches) when working in pattern using the 6.00mm hook. Achieving correct tension is essential for the blanket to reach its intended finished measurements and for the ombre colour transitions to display as designed.

About Sirdar Yarns

Sirdar is an established British yarn company founded in West Yorkshire in 1880, renowned for colourful yarn innovation and fashionable knit and crochet design. The Jewelspun Ombre collection brings contemporary ombre fashion trends to hand crochet and knitting, with the large 400g balls specifically designed to minimise yarn joins and create authentic colour gradations throughout your project.