#3399cc

Isacord 40 3901 Tropical Blue

HEX #3399cc · RGB 51, 153, 204 · CIELAB L 60 a -12 b -34

Isacord 40 3901 Tropical Blue is a medium, soft blue, HEX #3399cc. The closest substitutes in other brands are Gunold POLY 40 61430 Pale Sapphire, Marathon Rayon 1102 Baltic Blue and Sulky PolyLite / Poly Deco 61430 Country Blue.

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	Approximate ΔE 7.4	070 817
Coats Sylko full chart	B6947	Medium blue	#3ea3d7	Close ΔE 3.2	B6938 B6350
Fil-Tec Glide full chart	92995	Marine	#00a5db	Close ΔE 4.1	30284 30632
Floriani Polyester full chart	371	Tahoe Blue	#4ca2d3	Close ΔE 3.3	362 363
Gunold POLY 40 full chart	61430	Pale Sapphire	#009dda	Very close ΔE 2.2	61094 61437
Hemingworth PolySelect full chart	1255	Country Blue	#0098db	Close ΔE 2.8	1259 1187
Janome Polyester full chart	230	Bright Blue	#70a9e2	Approximate ΔE 8.9	216 221
Madeira Classic Rayon 40 full chart	1029	Dolphin Blue	#2e89bd	Approximate ΔE 5.5	1373 1028
Madeira Polyneon 40 full chart	1828	Pale Purple	#418bae	Approximate ΔE 5.8	1977 1671
Marathon Polyester full chart	2231	Mid Windsor	#00a3de	Close ΔE 3.5	2230 2094
Marathon Rayon full chart	1102	Baltic Blue	#0097d4	Very close ΔE 2.0	1096 1059
Mettler Poly Sheen full chart	4101	Wave Blue	#009fcf	Close ΔE 3.4	4103 3906
Robison-Anton Super Brite Rayon full chart	2520	Mid Windsor	#00a3dd	Close ΔE 3.5	2730 2519
Robison-Anton Super Strength Polyester full chart	9052	Blue Wisteria	#0098e0	Close ΔE 3.7	9039 5820
Sulky PolyLite / Poly Deco full chart	61430	Country Blue	#009dda	Very close ΔE 2.2	3328 61094
Sulky Rayon 40 full chart	1249	Cornflower Blue	#62aadc	Approximate ΔE 6.5	1205 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

3830 Surfs' Up 4103 California Blue 3815 Reef Blue 4032 Teal

Frequently asked questions

What is the Brother Embroidery equivalent of Isacord 40 3901?

The closest match is Gunold POLY 40 61430 Pale Sapphire.

What are the HEX and RGB values of Isacord 40 3901 Tropical Blue?

On screen it is #3399cc, RGB 51, 153, 204. That is the manufacturer's published screen value; the stitched thread will look a little different depending on sheen and light.