#2b3751

Isacord 40 3645 Prussian Blue

HEX #2b3751 · RGB 43, 55, 81 · CIELAB L 23 a 3 b -17

Isacord 40 3645 Prussian Blue is a very dark, muted blue, HEX #2b3751. The closest substitutes in other brands are Coats Sylko B7896 Dark Navy, Madeira Classic Rayon 40 1243 Light Navy and Madeira Polyneon 40 1966 Light Navy.

Open in converter Shop this thread ↗ Full Isacord 40 chart

Equivalent colors in other brands

Brand	Number	Name	HEX	Match	Alternatives
Brother Embroidery full chart	415	Peacock Blue	#134a76	Poor match ΔE 10.4	406 707
Coats Sylko full chart	B7896	Dark Navy	#2d3753	Very close ΔE 1.3	B7878 B7877
Fil-Tec Glide full chart	32767	Deep Sea	#182b49	Close ΔE 4.4	30532 32965
Floriani Polyester full chart	334	Concord Blue	#223358	Close ΔE 3.7	307 358S
Gunold POLY 40 full chart	61438	Ultramarine	#232e56	Approximate ΔE 5.3	61441 61445
Hemingworth PolySelect full chart	1265	Sailor Blue	#002c5f	Approximate ΔE 7.8	1264 1199
Janome Polyester full chart	207	Blue	#0b2f84	Poor match ΔE 10.8	232 262
Madeira Classic Rayon 40 full chart	1243	Light Navy	#333c53	Very close ΔE 2.2	1368 1043
Madeira Polyneon 40 full chart	1966	Light Navy	#293451	Very close ΔE 1.7	1967 1743
Marathon Polyester full chart	2072	Blue Ribbon	#0f2c5c	Approximate ΔE 6.9	2201 2209
Marathon Rayon full chart	1324	Light Midnight	#36405c	Close ΔE 3.3	1204 1068
Mettler Poly Sheen full chart	4174	Charcoal	#24283f	Approximate ΔE 5.6	3444 3355
Robison-Anton Super Brite Rayon full chart	2386	Light Midnight	#353f5b	Close ΔE 3.0	2439 2603
Robison-Anton Super Strength Polyester full chart	9171	Chow Blue	#002c58	Approximate ΔE 7.2	5520 5685
Sulky PolyLite / Poly Deco full chart	61438	Mazarine Blue	#232e56	Approximate ΔE 5.3	61441 61445
Sulky Rayon 40 full chart	1202	Deep Turquoise	#182b56	Approximate ΔE 6.2	526 643

Match quality is the CIEDE2000 color difference (ΔE00) worked out from screen RGB values. Check a real thread card before you order.

Similar colors within Isacord 40

3363 Midnight Blue 3644 Royal Navy 2953 Concord Fog 3666 Space

Frequently asked questions

What is the Brother Embroidery equivalent of Isacord 40 3645?

The closest match is Coats Sylko B7896 Dark Navy.

What are the HEX and RGB values of Isacord 40 3645 Prussian Blue?

On screen it is #2b3751, RGB 43, 55, 81. That is the manufacturer's published screen value; the stitched thread will look a little different depending on sheen and light.