Cosmo Embroidery Floss

601

Blacks family

Cosmo 601 is a dark, subdued black shade with hex code #2E2A31 and RGB values 46, 42, 49. Below you'll find the closest Valdani, Crescent Colors, and DMC equivalents — ranked by visual color similarity — plus 8 similar Cosmo shades and color harmony pairings.

Hex
#2E2A31
RGB
46, 42, 49
HSL
274°, 8%, 18%
Lab
17.7, 3.5, -3.9
Lightness
18%
Very dark
Saturation
8%
Neutral
Hue
274°
Family
Blacks

Brand Equivalents for Cosmo 601

Top 5 closest matches in each brand, ranked by visual color similarity.How matching works

Cosmo 601

Similar Cosmo Colors to 601

Closest Cosmo threads by perceptual color distance, sorted from most to least similar.

Working with Cosmo 601

On white fabric
14.1:1
On dark fabric
1.5:1
Temperature
neutral
Closest to
charcoal

It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground.

Backstitch & outlines

Because it is so deep, Cosmo 601 holds its own as an outlining and lettering color where lighter threads would get lost against the fill.

Color Harmonies for Cosmo 601

Cosmo threads that pair well with 601, based on color theory harmony rules in CIELAB color space.

Complementary
Opposite on the color wheel — maximum contrast
Analogous
Adjacent hues — smooth, natural transitions
Triadic
Evenly spaced at 120° — vibrant and balanced
Monochromatic
Same hue, different lightness — great for shading

Blacks Family

Cosmo 601 in context with nearby shades from the blacks color family.

About Cosmo 601

A dark, subdued entry in the blacks family, that's Cosmo 601. Its dark and steady presence shines in wrought iron and night skies alike. Pull this thread for silhouettes or calligraphy when you need a dependable shade.

Frequently Asked Questions

What color is Cosmo 601?

Cosmo 601 is a dark black shade (hex #2E2A31, RGB 46, 42, 49) in the blacks family, commonly used for shadow textures, outlines, and similar motifs.

What's the closest DMC match for Cosmo 601?

The closest DMC match for Cosmo 601 is DMC 3799 (Pewter Grey very dark) with a 68% match based on visual color similarity. Other near matches include DMC 3371 (Black Brown, 66%) and DMC 939 (Navy Blue very dark, 63%).

What's a good substitute for Cosmo 601?

The closest Cosmo threads to 601 are 478 (ΔE 3.28), 2030 (ΔE 4.36), and 156 (ΔE 4.43). These are useful substitutes when 601 is unavailable or for building gradients.

What projects use Cosmo 601?

Cross-stitchers pull Cosmo 601 for charts featuring shadow textures, outlines, lettering, bold contrast. The dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.

Is Cosmo 601 good for backstitching and outlines?

It's an excellent outline color. The depth of 601 defines edges and text cleanly where lighter threads would disappear into the fill; one strand is usually enough for backstitch.