#28303a

Isacord 40 3666 Space

HEX #28303a · RGB 40, 48, 58 · CIELAB L 20 a -1 b -7

Isacord 40 3666 Space is a very dark, muted blue, HEX #28303a. The closest substitutes in other brands are Floriani Polyester 294 Pine Green, Madeira Classic Rayon 40 1199 Black and Madeira Polyneon 40 1643 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	707	Dark Gray	#293133	Approximate ΔE 5.2	704 900
Coats Sylko full chart	B9914	Dark Grey	#2a2e33	Close ΔE 3.0	B9953 B9912
Fil-Tec Glide full chart	30532	Eclipse	#353842	Close ΔE 4.0	30296 32767
Floriani Polyester full chart	294	Pine Green	#262e37	Near identical ΔE 0.9	344 436
Gunold POLY 40 full chart	61449	Dark Kelly Green	#1d222a	Close ΔE 4.5	61441 61461
Hemingworth PolySelect full chart	1087	Charcoal	#1b242a	Close ΔE 4.8	1086 1079
Janome Polyester full chart	002	Black	#000000	Poor match ΔE 13.8	207 232
Madeira Classic Rayon 40 full chart	1199	Black	#2a2e36	Very close ΔE 2.0	1244 1367
Madeira Polyneon 40 full chart	1643	Navy	#2d3541	Very close ΔE 2.0	1976 1844
Marathon Polyester full chart	2306	Navy	#03293b	Approximate ΔE 7.6	2150 2201
Marathon Rayon full chart	1180	Black	#383838	Approximate ΔE 7.0	1070 1324
Mettler Poly Sheen full chart	4174	Charcoal	#24283f	Approximate ΔE 8.4	0020 0132
Robison-Anton Super Brite Rayon full chart	2296	Black	#1c2630	Close ΔE 3.4	2487 2620
Robison-Anton Super Strength Polyester full chart	5865	Aged Charcoal	#404448	Approximate ΔE 7.5	5787 5565
Sulky PolyLite / Poly Deco full chart	61449	Black	#1d222a	Close ΔE 4.5	61441 1352
Sulky Rayon 40 full chart	1162	Deep Teal	#10394a	Approximate ΔE 8.6	1202 1182

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

3574 Darkest Blue 3363 Midnight Blue 1776 Blackberry 2776 Black Chrome

Frequently asked questions

What is the Brother Embroidery equivalent of Isacord 40 3666?

The closest match is Floriani Polyester 294 Pine Green.

What are the HEX and RGB values of Isacord 40 3666 Space?

On screen it is #28303a, RGB 40, 48, 58. That is the manufacturer's published screen value; the stitched thread will look a little different depending on sheen and light.