Cosmo Embroidery Floss

669A

Blues family

Below: Cosmo 669A, a dark, muted blue shade with hex #19192C and RGB 25, 25, 44. 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
#19192C
RGB
25, 25, 44
HSL
240°, 28%, 14%
Lab
9.7, 5.9, -12.8
Lightness
14%
Very dark
Saturation
28%
Muted
Hue
240°
Family
Blues

Brand Equivalents for Cosmo 669A

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

Cosmo 669A

Sullivans

Navy Blue Very Dark 45281 74% Approx
Navy Blue Dark 45224 68% Approx
Antique Blue Very Dark 45375 64% Fair
Navy Blue 45069 57% Fair
Navy Blue Medium 45054 50% Fair

Crescent Colours

Purple Aster 070 74% Approx
Wavy Navy 075 69% Approx
Black Coffee 004 48% Fair
Tartan Plaid 073 36% Fair
Nighty Nite 160 24% Fair

Similar Cosmo Colors to 669A

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

Working with Cosmo 669A

On white fabric
17.3:1
On dark fabric
1.2:1
Temperature
soft cool
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 669A holds its own as an outlining and lettering color where lighter threads would get lost against the fill.

Blending & gradients

Its nearest neighbor, Cosmo 602, is barely a step away (ΔE 1.77). Tweed the two together for subtle shading, or substitute freely when one is out of stock.

Color Harmonies for Cosmo 669A

Cosmo threads that pair well with 669A, 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 669A in context with nearby shades from the blues color family.

About Cosmo 669A

Cosmo 669A is a dark, muted shade from the blues family with deep blue tones. The dark and steady mood of this color makes it a natural fit for bluebird motifs and whale designs. Expect to see it used in sapphire accents and porcelain patterns across many cross-stitch charts.

Frequently Asked Questions

What color is Cosmo 669A?

Cosmo 669A is a dark blue shade (hex #19192C, RGB 25, 25, 44) in the blues family, commonly used for denim textures, cool-toned backgrounds, and similar motifs.

What's the closest DMC match for Cosmo 669A?

The closest DMC match for Cosmo 669A is DMC 939 (Navy Blue very dark) with a 94% match based on visual color similarity. Other near matches include DMC 823 (Navy Blue dark, 82%) and DMC 336 (Navy Blue, 56%).

What's a good substitute for Cosmo 669A?

The closest Cosmo threads to 669A are 602 (ΔE 1.77), 169 (ΔE 3.93), and 603 (ΔE 5.34). These are useful substitutes when 669A is unavailable or for building gradients.

What projects use Cosmo 669A?

Cross-stitchers pull Cosmo 669A for charts featuring denim textures, cool-toned backgrounds, nautical themes, winter scenes. The dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.

Is Cosmo 669A good for backstitching and outlines?

Yes — very dark shades like 669A are among the most-used backstitch and outlining colors. Work it in a single strand over one for crisp edges, lettering, and fine detail.