#50667d

Isacord 40 3743 Harbor

HEX #50667d · RGB 80, 102, 125 · CIELAB L 42 a -2 b -15

Isacord 40 3743 Harbor is a dark, muted blue, HEX #50667d. No other brand comes very close to this one, so compare the alternatives below against a real thread card before you commit.

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	070	Corn Flower	#4b6baf	Approximate ΔE 8.4	420 607
Coats Sylko full chart	B6998	Petrol Blue	#4a6d88	Close ΔE 3.9	B7526 B9946
Fil-Tec Glide full chart	30647	Cobalt	#26547c	Approximate ΔE 8.8	10431 30308
Floriani Polyester full chart	364	Starlight Blue	#386395	Approximate ΔE 6.8	365 OO7
Gunold POLY 40 full chart	61206	Dark Jade	#415d73	Close ΔE 4.2	61432 61471
Hemingworth PolySelect full chart	1084	Blue Steel	#44697d	Approximate ΔE 5.4	1085 1192
Janome Polyester full chart	231	Slate Blue	#1d5478	Approximate ΔE 9.3	263 252
Madeira Classic Rayon 40 full chart	1353	Slate Blue	#4f6b80	Close ΔE 3.0	1364 1175
Madeira Polyneon 40 full chart	1961	Tempest	#4f6d83	Close ΔE 3.6	1964 1963
Marathon Polyester full chart	2199	Imperial Blue	#345686	Approximate ΔE 8.4	2071 2095
Marathon Rayon full chart	1325	Lake Blue	#25557e	Approximate ΔE 8.7	1321 1108
Mettler Poly Sheen full chart	0111	Whale	#5c6b78	Close ΔE 4.6	0132 3953
Robison-Anton Super Brite Rayon full chart	2302	Imperial Blue	#335687	Approximate ΔE 8.5	2523 2612
Robison-Anton Super Strength Polyester full chart	5877	Wonder Blue	#3870a0	Approximate ΔE 8.0	5705 9099
Sulky PolyLite / Poly Deco full chart	338	Dark Steel Blue	#5a6675	Close ΔE 3.7	61206 128
Sulky Rayon 40 full chart	1143	True Blue	#4a5870	Approximate ΔE 5.8	1172 1198

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

3444 Concord 3654 Blue Shadow 3631 Tufts Blue 3274 Battleship Gray

Frequently asked questions

What is the Brother Embroidery equivalent of Isacord 40 3743?

The table on this page gives the closest match and two alternatives for every brand.

What are the HEX and RGB values of Isacord 40 3743 Harbor?

On screen it is #50667d, RGB 80, 102, 125. That is the manufacturer's published screen value; the stitched thread will look a little different depending on sheen and light.