Cosmo Embroidery Floss

312

Browns family

Cosmo 312 has hex #2B2320 and RGB 43, 35, 32. This dark, subdued brown thread sits alongside its closest Classic Colorworks, Weeks Dye Works, and Gentle Art Sampler matches below, with 8 similar Cosmo shades and a panel of color harmonies for palette planning.

Hex
#2B2320
RGB
43, 35, 32
HSL
16°, 15%, 15%
Lab
14.5, 3.2, 3.4
Lightness
15%
Very dark
Saturation
15%
Neutral
Hue
16°
Family
Browns

Brand Equivalents for Cosmo 312

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

Cosmo 312

Sullivans

Beaver Grey Ultra Dark 45241 80% Good
Brown Grey Very Dark 45428 76% Approx
Pewter Grey Very Dark 45397 68% Approx
Black Brown 45351 65% Approx
Mocha Brown Dark 45393 58% Fair

Crescent Colours

Black Coffee 004 82% Good
Wavy Navy 075 49% Fair
Purple Aster 070 45% Fair
Cappuccino 007 37% Fair
Tartan Plaid 073 32% Fair

Similar Cosmo Colors to 312

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

Working with Cosmo 312

On white fabric
15.4:1
On dark fabric
1.4:1
Temperature
soft warm
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

Very dark shades like Cosmo 312 are workhorses for backstitch outlines, lettering, and fine detail — the depth reads cleanly at a single strand over one.

Color Harmonies for Cosmo 312

Cosmo threads that pair well with 312, 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

Browns Family

Cosmo 312 in context with nearby shades from the browns color family.

About Cosmo 312

Cosmo 312 is a dark, subdued shade in the browns family with warm chocolate tones. It has a bold and brooding feel that suits gingerbread themes and tree trunks particularly well. Designers often pair this shade with earth tones or animal fur for balanced palettes.

Frequently Asked Questions

What does Cosmo 312 look like?

Cosmo 312 is a dark shade in the browns family with hex #2B2320 and RGB 43, 35, 32. Stitchers reach for it in projects featuring rustic designs and leather accents.

Which DMC thread matches Cosmo 312?

The closest DMC match for Cosmo 312 is DMC 3371 (Black Brown) with a 97% match based on visual color similarity. Other near matches include DMC 938 (Coffee Brown ultra dark, 66%) and DMC 3031 (Mocha Brown very dark, 62%).

What Cosmo colors are similar to 312?

The closest Cosmo threads to 312 are 2030 (ΔE 5.5), 156 (ΔE 6.46), and 601 (ΔE 6.84). These are useful substitutes when 312 is unavailable or for building gradients.

When should I use Cosmo 312?

Reach for Cosmo 312 when your project calls for rustic designs, leather accents, horse designs, cinnamon motifs. Its dark character carries both small accents and wider palette work; the harmony picks on this page show natural companions to 312.

Is Cosmo 312 good for backstitching and outlines?

Yes — very dark shades like 312 are among the most-used backstitch and outlining colors. Work it in a single strand over one for crisp edges, lettering, and fine detail.