Floriani PolyEmbroidery 373 - California Blue
If you spec'd Floriani PolyEmbroidery 373 on a job, this is the page you'd want open while the digitizer talks to the embroiderer. Hex, RGB, PMS match, alternates.
Closest Pantone match
The nearest Pantone Coated swatch to Floriani 373, ranked by perceptual color distance (CIEDE2000). The lower the ΔE, the closer the match.
Cross-brand alternatives
If your shop stocks a different brand, here are the closest equivalents to Floriani 373 - ranked by perceptual color distance (CIEDE2000). Anything under ΔE 2 is visually indistinguishable; under ΔE 5 is acceptable for most production work.
| Swatch | Brand | Code | Name | HEX | ΔE |
|---|---|---|---|---|---|
| Floriani PolyEmbroidery | K07 | Solar Blue | #3E72A7 |
0.55 | |
| Isacord 40 | 3713 | Cornflower Blue | #3371AE |
1.39 | |
| Floriani PolyEmbroidery | 332 | Periwinkle | #3E75A6 |
1.50 | |
| Coats Sylko | B7491 | Medium Blue | #3B6DA4 |
2.25 | |
| Coats Sylko | B7484 | Medium Blue | #436FAD |
2.31 | |
| Isacord 40 | 3631 | Tufts Blue | #4C71A0 |
2.66 | |
| Robison-Anton Rayon | 2529 | Dolphin Blue | #3A75C4 |
3.00 | |
| Madeira Polyneon 40 | 1733 | Violet | #3B7BB0 |
3.48 | |
| Madeira Classic Rayon | 1276 | Pale Purple | #407497 |
4.58 | |
| Madeira Classic Rayon | 1143 | Jay Blue | #4B6B99 |
4.59 | |
| Madeira Polyneon 40 | 1829 | Fire Blue | #0066A0 |
6.38 | |
| Robison-Anton Rayon | 2737 | Pro Band Blue | #00709E |
6.97 |
How to use Floriani 373
Floriani 373 (California Blue) is one of the most-stocked blues in promotional embroidery - reads navy on light fabrics and stays distinct from black under standard shop lighting. Common on corporate polos, university merch, and trade-show apparel.
If you're spec'ing a new logo, start by matching PMS 7455 C in the customer's brand standards, then pick whichever brand line your machines run. The cross-brand table above is the lookup you'd do at the digitizing stage.
Try the full Thread Color Matcher to convert any PMS, hex, or image color into thread matches across all 5 brands at once.
Frequently asked
What hex code is Floriani 373?
Floriani PolyEmbroidery 373 (California Blue) is hex #3F73AA, RGB 63/115/170.
What PMS color is closest to Floriani 373?
The nearest Pantone Coated match is PMS 7455 C (#3A5DAE), with a perceptual color distance of ΔE 8.27 from Floriani 373. Lower ΔE means closer match - under 2 is visually indistinguishable, under 5 is acceptable for production.
What's the closest equivalent to Floriani 373 in Floriani?
Floriani PolyEmbroidery K07 (Solar Blue) is the closest cross-brand match to Floriani 373, with a perceptual color distance of ΔE 0.55.
Is Floriani 373 good for production embroidery?
Yes. Floriani PolyEmbroidery is one of the major production embroidery thread lines used by promotional products distributors and embroiderers worldwide. Match against the customer's brand standards before committing to a job - the cross-brand alternatives above let you sub a closely-equivalent color from whichever line your shop has loaded.
Where can I match other PMS colors to Floriani threads?
Use the free Thread Color Matcher at /tools/thread-match - it converts any PMS code, hex, RGB, or color from an uploaded image into the closest thread across Madeira, Isacord, Robison-Anton, Coats, and Floriani. No account required.
One platform. Two free accounts. One public layer for everyone else.
The tool you’re using is one feature in a much bigger app. Here’s the rest, by which side of the order you’re on.
- Every public tool on this site
- 5 conversions a day per IP
- One file at a time
- Output dropped after the request
- No account, no nag
- Every public tool, no rate limit
- Batch 10 files at once
- 30-day download history
- AI vectorization (the $50-redraw replacement)
- AI mockup generator, white-label proofs
- SAGE catalog, 1M+ products
- Quotes, POs, invoices, projects
- Storefront under your brand
- Blind-ship POs to suppliers
- Saved thread palettes per customer
- Email automation for every status
- Every public tool, no rate limit
- Every order in one place
- Approve proofs without email tag
- Two-click reorder
- Saved shipping + tax-exempt files
- Real-time status pings
- See and pay invoices online
- Message your distributor inside the app
- Always free. No card.
Match every thread on every order
DECADE.promo includes the full thread catalog, palette saving, and embroidery PO integration. Free distributor trial. Customers always free.