DMC 931 to Cosmo: Thread Conversion

DMC 931 Medium Antique Blue embroidery floss

The closest Cosmo equivalent to DMC 931 (Medium Antique Blue) is Cosmo 733.

Close Match

Hex #6A859E · blues family

This Cosmo conversion is based on approximate data that has not been independently verified. If you notice an error, let us know — community corrections help everyone.

DMC 931 #6A859E
92% match
Stored match for Cosmo 733 Cosmo 733 Cosmo 733 does not have an official hex preview stored on this site. Treat the page as a physical skein shortlist, then verify the real thread in person before you rely on the match.

Only the DMC swatch is rendered as stored color data here. Compare the physical target skein before you assume a visual match.

Amazon: DMC 931 → LoveCrafts: DMC 931 → Amazon: Cosmo 733 →

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Conversion Notes

Cosmo 733 carries a close rating for DMC 931. The antique-blue character is broadly maintained, but the specific balance between the blue and gray components may differ subtly — Cosmo's version could read slightly bluer or slightly grayer than the DMC original depending on production. For muted palette or heritage designs where this color covers significant area, testing on your actual fabric before committing is the safest approach. The mid-tone dominant fill position is where close-rating color character differences are most visible in antique-blue gradient work — the eye uses the mid-tone as its reference point for the design's color identity, and any shift in the gray-versus-blue balance there is more perceptible than the same shift at the shadow or highlight ends. A test area of at least 3cm by 3cm on your actual fabric count and under your typical display lighting is the most reliable pre-commitment evaluation. For SAL coastal and Scandinavian-folk designs where multiple participants' pieces will be compared, Cosmo 733 produces a distinct individual result while remaining in the antique-blue character neighborhood. Cosmo's silkier surface gives the dominant mid-tone fill areas a slightly more polished quality that can suit contemporary slow-stitch and Scandinavian-aesthetic designs. Cosmo's strong Asian market availability makes it the most practical option for stitchers in those regions. Maintaining Cosmo brand consistency through all three antique-blue values produces more predictable gradient results than mixing Cosmo at the 931 position with DMC at adjacent positions.

Reference quality

How We Validate This Match

This Cosmo page is meant to help you shortlist a replacement quickly, then verify the physical skein before you mix brands in the same stitched area.

Methodology
This comparison uses the site's source-of-truth record for DMC 931, the stored Cosmo equivalent, and the saved close rating before rendering the page copy.
Verification status
Close cross-brand match. Treat it as a shortlist, not proof that the physical threads will be visually identical under every fabric and light condition.
Source basis
Approximate cross-brand floss mapping. Treat it as lower-confidence until you compare the physical Cosmo skein against the DMC reference.
Last reviewed
2026-04-20
Best use
Close and approximate matches work best for replacements, backups, or whole-project brand swaps after you stitch a small sample on the target fabric.

Read the Stitchies methodology

Decision guide

When to trust DMC 931 to Cosmo 733

This page is strongest as a decision aid, not as a guarantee that two branded skeins will vanish into each other without testing.

Best for

  • + Replacing missing floss when DMC 931 is unavailable and Cosmo 733 is good enough after a stitched sample check.
  • + Shortlisting a Cosmo substitute before you buy skeins, especially if your project can tolerate small differences in sheen or dye lot.
  • + Comparing this Cosmo candidate against the other conversions and nearby DMC shades linked from the page before you commit to a full swap.

Watch for

  • ! Close matches are not safe to assume interchangeable in focal areas without a physical test on your fabric.
  • ! Brand sheen, strand thickness, and project lighting can make DMC 931 and Cosmo 733 look further apart than the stored match rating suggests.
  • ! If the design depends on smooth gradients or skin-tone transitions, compare this swap against the neighboring DMC shades before you substitute a large block.

Before you commit

  1. Compare DMC 931 and Cosmo 733: lay the physical skeins together in daylight before you mix brands in the same stitched area.
  2. Test on your project fabric: stitch a small sample so fabric color and stitch density reveal whether the match still holds at full coverage.
  3. Keep a fallback ready: if the swap feels off, use the linked related DMC shades or another brand conversion instead of forcing the closest stored match.

DMC 931 to Cosmo FAQ

These answers are the same statements published in this page's FAQ structured data.

What is the Cosmo equivalent of DMC 931?+

The closest Cosmo equivalent to DMC 931 (Medium Antique Blue) is Cosmo 733. This is a close match.

Is the DMC 931 to Cosmo conversion exact?+

The conversion from DMC 931 (Medium Antique Blue) to Cosmo 733 is rated as a close match. Thread colors vary slightly between brands, so compare physical thread in daylight before stitching a large area.

Can I mix DMC 931 and Cosmo 733 in the same project?+

You can use DMC 931 and Cosmo 733 together when the close match is acceptable for your project, but always test them side by side on your fabric first because sheen and dye lots can create visible differences.

Other Conversions for DMC 931

Similar DMC Colors

Shades closest to DMC 931 — handy if Cosmo 733 isn't quite right:

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