557
Purples family#352E56
Cosmo 557 has hex #352E56 and RGB 53, 46, 86. This medium-dark, moderately saturated purple thread sits alongside its closest DMC, Anchor, and Madeira matches below, with 8 similar Cosmo shades and a panel of color harmonies for palette planning.
About Cosmo 557
Cosmo No. 25 embroidery floss
- Fiber
- 100% cotton
- Sold as
- about 8 m
Brand Equivalents for Cosmo 557
The five closest matches in each brand, ranked by CIEDE2000 perceptual color difference.
DMC
Anchor
Madeira
J&P Coates
Sullivans
Classic Colorworks
Weeks Dye Works
Gentle Art Sampler
Valdani
Crescent Colors
Similar Cosmo Colors to 557
Closest Cosmo threads by perceptual color distance, sorted from most to least similar.
Working with Cosmo 557
It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground.
Its nearest neighbor, Cosmo 667A, is barely a step away (ΔE 2.68). Tweed the two together for subtle shading, or substitute freely when one is out of stock.
Color Harmonies for Cosmo 557
Cosmo threads that pair well with 557, based on color theory harmony rules in CIELAB color space.
Purples Family
Cosmo557 in context with nearby shades from the purples color family.
About Cosmo 557
A medium-dark, moderately saturated entry in the purples family, that's Cosmo 557. Its tone is steady and deep, making it a popular choice for lilac patterns and galaxy motifs. It pairs nicely in designs that call for lavender fields or royal motifs.
Frequently Asked Questions
What color is Cosmo 557?
Cosmo 557 is a medium-dark purple shade (hex #352E56, RGB 53, 46, 86) in the purples family, commonly used for wisteria, amethyst tones, and similar motifs.
What's the closest DMC match for Cosmo 557?
The closest DMC match for Cosmo 557 is DMC 158 (Cornflower Blue medium) with a 78% match based on visual color similarity. Other near matches include DMC 791 (Cornflower Blue very dark, 78%) and DMC 29 (Eggplant, 72%).
What's a good substitute for Cosmo 557?
The closest Cosmo threads to 557 are 667A (ΔE 2.68), 668 (ΔE 2.85), and 168 (ΔE 3.34). These are useful substitutes when 557 is unavailable or for building gradients.
What projects use Cosmo 557?
Cross-stitchers pull Cosmo 557 for charts featuring wisteria, amethyst tones, iris blooms, eggplant designs. The medium-dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.
What fabric color works best with Cosmo 557?
It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground. For reference, 557 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.