Cosmo Embroidery Floss

2664

Blues family

Below: Cosmo 2664, a medium-dark, moderately saturated blue shade with hex #3C438A and RGB 60, 67, 138. Find its closest Gentle Art Sampler, Valdani, and Crescent Colours matches ranked by visual similarity, plus 8 similar Cosmo shades and a full set of color harmony picks.

Hex
#3C438A
RGB
60, 67, 138
HSL
235°, 39%, 39%
Lab
31.4, 19.0, -40.7
Lightness
39%
Dark
Saturation
39%
Muted
Hue
235°
Family
Blues

Brand Equivalents for Cosmo 2664

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

Cosmo 2664

Sullivans

Cornflower Blue 45404 93% Good
Blue Violet Dark 45373 79% Approx
Cornflower Blue Dark 45203 77% Approx
Blue Dark 45226 71% Approx
Delft Blue Dark 45208 68% Approx

Crescent Colours

Granny Annie 083 77% Approx
Blue Beatrice 132 57% Fair
Pansy Purple 102 47% Fair
Blooming Crocus 032 43% Fair
Blacksmith Blue 187 42% Fair

Similar Cosmo Colors to 2664

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

Working with Cosmo 2664

On white fabric
8.9:1
On dark fabric
2.4:1
Temperature
cool
Closest to
indigo

It has moderate contrast on both light and dark fabric — usable on either, but test a few stitches on your chosen ground first.

Blending & gradients

Cosmo 2664 sits a hair from Cosmo 665 (ΔE 3.15) — close enough to blend a strand of each for a smooth gradient or to swap one for the other in a pinch.

Color Harmonies for Cosmo 2664

Cosmo threads that pair well with 2664, 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

Blues Family

Cosmo 2664 in context with nearby shades from the blues color family.

About Cosmo 2664

Cosmo 2664 sits in the blues family as a medium-dark, moderately saturated shade with true blue tones. The rich and grounded mood of this color makes it a natural fit for cool-toned backgrounds and nautical themes. Expect to see it used in winter scenes and forget-me-nots across many cross-stitch charts.

Frequently Asked Questions

Cosmo 2664 — what color is it?

Cosmo 2664 is a medium-dark blue thread (hex #3C438A, RGB 60, 67, 138). It shows up most in porcelain patterns and hydrangea blooms.

What is the DMC equivalent of Cosmo 2664?

The closest DMC match for Cosmo 2664 is DMC 792 (Cornflower Blue dark) with a 91% match based on visual color similarity. Other near matches include DMC 797 (Royal Blue, 80%) and DMC 3807 (Cornflower Blue, 72%).

Which Cosmo threads are close to 2664?

The closest Cosmo threads to 2664 are 665 (ΔE 3.15), 216 (ΔE 3.71), and 167 (ΔE 4.27). These are useful substitutes when 2664 is unavailable or for building gradients.

What is Cosmo 2664 good for?

Cosmo 2664 is commonly used in cross-stitch projects featuring porcelain patterns, hydrangea blooms, skies, water. Its medium-dark tone works well for standalone motifs and as part of larger palettes. This page includes color harmonies and similar shades to pair with 2664.

What fabric color works best with Cosmo 2664?

It has moderate contrast on both light and dark fabric — usable on either, but test a few stitches on your chosen ground first. For reference, 2664 has a contrast ratio of about 8.9:1 on white fabric and 2.4:1 on black. As a cool shade, its cool cast recedes visually — useful for backgrounds, shadows, water and sky, and calm, restful palettes.