#007fcc

Isacord 40 3900 Cerulean

HEX #007fcc · RGB 0, 127, 204 · CIELAB L 51 a -0 b -48

Isacord 40 3900 Cerulean is a medium, vivid blue, HEX #007fcc. 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	019	Sky Blue	#2584bb	Close ΔE 3.7	070 420
Coats Sylko full chart	B6977	Medium Blue	#177bb8	Close ΔE 2.8	B6317 B7491
Fil-Tec Glide full chart	90285	Pacific	#3a75c4	Approximate ΔE 6.0	30646 37468
Floriani Polyester full chart	372	Blue Pacific	#4886c2	Close ΔE 4.3	332 373
Gunold POLY 40 full chart	61429	Bright Sapphire	#0078d3	Close ΔE 3.3	61252 61468
Hemingworth PolySelect full chart	1198	China Blue	#0073cf	Close ΔE 5.0	1195 1202
Janome Polyester full chart	263	Solar Blue	#165fa7	Poor match ΔE 12.2	230 222
Madeira Classic Rayon 40 full chart	1133	Dolphin Blue	#277eb7	Close ΔE 2.6	1176 1029
Madeira Polyneon 40 full chart	1733	Violet	#3b7bb0	Close ΔE 3.5	1977 1775
Marathon Polyester full chart	2232	Medium Blue	#0073c6	Close ΔE 4.7	2066 2095
Marathon Rayon full chart	1097	Medium Blue	#0073c6	Close ΔE 4.7	1064 1271
Mettler Poly Sheen full chart	3722	Empire Blue	#387fc1	Close ΔE 2.4	3902 3710
Robison-Anton Super Brite Rayon full chart	2441	Baltic Blue	#008ed6	Approximate ΔE 5.6	2388 2529
Robison-Anton Super Strength Polyester full chart	5820	Mid Windsor	#008cc8	Approximate ΔE 6.0	5733 5877
Sulky PolyLite / Poly Deco full chart	1534	Sapphire	#347dcb	Close ΔE 3.3	61429 61252
Sulky Rayon 40 full chart	1534	Sapphire	#347dcb	Close ΔE 3.3	1134 1201

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

3815 Reef Blue 3713 Cornflower Blue 3631 Tufts Blue 3901 Tropical Blue

Frequently asked questions

What is the Brother Embroidery equivalent of Isacord 40 3900?

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 3900 Cerulean?

On screen it is #007fcc, RGB 0, 127, 204. That is the manufacturer's published screen value; the stitched thread will look a little different depending on sheen and light.