DMC 3837 to Sullivans: Thread Conversion
The closest Sullivans equivalent to DMC 3837 (Ultra Dark Lavender) is Sullivans 45435.
Close MatchHex #6C3A6E · purples family
Only the DMC swatch is rendered as stored color data here. Compare the physical target skein before you assume a visual match.
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Conversion Notes
Sullivans 45435 is rated close and captures the general depth and warm purple hue of Ultra Dark Lavender adequately for most design applications. The thread body differs slightly from DMC's twist, which can affect how densely the color packs into each stitch in large fills — a looser thread twist can leave small gaps in coverage that are more visible in dark saturated colors. Sullivans' characteristic sheen at this dark value adds a jewel-like surface quality that actually suits the regal, magical, and ecclesiastical contexts where Ultra Dark Lavender typically appears. For backstitch outlines around lighter purple fills and accent uses where precision of the warm-purple balance is less critical, Sullivans 45435 is a practical accessible option. Madeira 0711's exact match is the preferred choice for large primary fills where color precision and full coverage are both important.
Reference quality
How We Validate This Match
This Sullivans 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 3837, the stored Sullivans 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
- Published cross-brand floss chart mapping. Use it as a shortlist, then confirm with physical thread because sheen and dye lots still matter.
- 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.
Decision guide
When to trust DMC 3837 to Sullivans 45435
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 3837 is unavailable and Sullivans 45435 is good enough after a stitched sample check.
- + Shortlisting a Sullivans substitute before you buy skeins, especially if your project can tolerate small differences in sheen or dye lot.
- + Comparing this Sullivans 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 3837 and Sullivans 45435 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
- Compare DMC 3837 and Sullivans 45435: lay the physical skeins together in daylight before you mix brands in the same stitched area.
- Test on your project fabric: stitch a small sample so fabric color and stitch density reveal whether the match still holds at full coverage.
- 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 3837 to Sullivans FAQ
These answers are the same statements published in this page's FAQ structured data.
What is the Sullivans equivalent of DMC 3837?+
The closest Sullivans equivalent to DMC 3837 (Ultra Dark Lavender) is Sullivans 45435. This is a close match.
Is the DMC 3837 to Sullivans conversion exact?+
The conversion from DMC 3837 (Ultra Dark Lavender) to Sullivans 45435 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 3837 and Sullivans 45435 in the same project?+
You can use DMC 3837 and Sullivans 45435 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 3837
Similar DMC Colors
Shades closest to DMC 3837 — handy if Sullivans 45435 isn't quite right:
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