218
Blues family
Below: Cosmo 218, a medium-dark, moderately saturated blue shade with hex #2D2F5E and RGB 45, 47, 94. Find its closest Madeira, J&P Coates, and Sullivans matches ranked by visual similarity, plus 8 similar Cosmo shades and a full set of color harmony picks.
Brand Equivalents for Cosmo 218
Top 5 closest matches in each brand, ranked by visual color similarity. How matching works
DMC
Anchor
Madeira
J&P Coates
Sullivans
Classic Colorworks
Weeks Dye Works
Gentle Art Sampler
Valdani
Crescent Colours
Similar Cosmo Colors to 218
Closest Cosmo threads by perceptual color distance, sorted from most to least similar.
Working with Cosmo 218
It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground.
Because Cosmo 168 is so near (ΔE 2.12), the pair makes a natural two-step gradient — handy for shading skin, petals, or skies without a hard seam.
Color Harmonies for Cosmo 218
Cosmo threads that pair well with 218, based on color theory harmony rules in CIELAB color space.
Blues Family
Cosmo 218 in context with nearby shades from the blues color family.
About Cosmo 218
A moderately saturated, medium-dark member of the blues family, Cosmo 218 is a hand-dyed floss with true blue tones. The deep and intense character of this shade lends itself well to whale designs and sapphire accents. Stitchers frequently choose it for porcelain patterns and hydrangea blooms in their projects.
Frequently Asked Questions
What does Cosmo 218 look like?
Cosmo 218 is a medium-dark shade in the blues family with hex #2D2F5E and RGB 45, 47, 94. Stitchers reach for it in projects featuring cool-toned backgrounds and nautical themes.
Which DMC thread matches Cosmo 218?
The closest DMC match for Cosmo 218 is DMC 158 (Cornflower Blue medium) with a 92% match based on visual color similarity. Other near matches include DMC 791 (Cornflower Blue very dark, 86%) and DMC 336 (Navy Blue, 78%).
What Cosmo colors are similar to 218?
The closest Cosmo threads to 218 are 168 (ΔE 2.12), 667A (ΔE 2.41), and 4792 (ΔE 3.01). These are useful substitutes when 218 is unavailable or for building gradients.
When should I use Cosmo 218?
Reach for Cosmo 218 when your project calls for cool-toned backgrounds, nautical themes, winter scenes, forget-me-nots. Its medium-dark character carries both small accents and wider palette work; the harmony picks on this page show natural companions to 218.
What fabric color works best with Cosmo 218?
It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground. For reference, 218 has a contrast ratio of about 12.5:1 on white fabric and 1.7:1 on black. As a cool shade, its cool cast recedes visually — useful for backgrounds, shadows, water and sky, and calm, restful palettes.