Cosmo Embroidery Floss

522

Blues family

Need details on Cosmo 522? This light, moderately saturated blue hand-dyed shade is hex #B1C9DE, RGB 177, 201, 222. Cross-brand equivalents in Weeks Dye Works, Gentle Art Sampler, and Valdani are listed below — ranked by perceptual similarity — alongside 8 nearby Cosmo shades and color-theory harmony pairings.

Hex
#B1C9DE
RGB
177, 201, 222
HSL
208°, 41%, 78%
Lab
79.8, -3.6, -13.1
Lightness
78%
Light
Saturation
41%
Muted
Hue
208°
Family
Blues

Brand Equivalents for Cosmo 522

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

Cosmo 522

Sullivans

Antique Blue Very Light 45376 76% Approx
Blue Very Light 45228 76% Approx
Antique Blue Ultra Light 45377 75% Approx
Baby Blue Pale 45439 74% Approx
Baby Blue Light 45337 68% Approx

Crescent Colours

Baby Blanket 093 69% Approx
Snips and Snails 087 61% Fair
Really Teally 104 44% Fair
Cloud 010 43% Fair
Petite Maison 127 39% Fair

Similar Cosmo Colors to 522

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

Working with Cosmo 522

On white fabric
1.7:1
On dark fabric
12.3:1
Temperature
cool
Closest to
silver

It reads best on black or dark fabric and can wash out on white, so reach for a dark or mid-tone ground.

Blending & gradients

Because Cosmo 162A is so near (ΔE 2.97), the pair makes a natural two-step gradient — handy for shading skin, petals, or skies without a hard seam.

Color Harmonies for Cosmo 522

Cosmo threads that pair well with 522, 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 522 in context with nearby shades from the blues color family.

About Cosmo 522

A moderately saturated, light member of the blues family, Cosmo 522 is a hand-dyed floss with sky blue tones. Stitchers describe its character as soft and gentle, perfect for denim textures and cool-toned backgrounds. It blends comfortably into projects centered on nautical themes and winter scenes.

Frequently Asked Questions

What does Cosmo 522 look like?

Cosmo 522 is a light shade in the blues family with hex #B1C9DE and RGB 177, 201, 222. Stitchers reach for it in projects featuring sapphire accents and porcelain patterns.

Which DMC thread matches Cosmo 522?

The closest DMC match for Cosmo 522 is DMC 3753 (Antique Blue ultra very light) with a 92% match based on visual color similarity. Other near matches include DMC 3841 (Baby Blue pale, 78%) and DMC 775 (Baby Blue very light, 77%).

What Cosmo colors are similar to 522?

The closest Cosmo threads to 522 are 162A (ΔE 2.97), 730 (ΔE 5.67), and 163 (ΔE 5.83). These are useful substitutes when 522 is unavailable or for building gradients.

When should I use Cosmo 522?

Reach for Cosmo 522 when your project calls for sapphire accents, porcelain patterns, hydrangea blooms, skies. Its light character carries both small accents and wider palette work; the harmony picks on this page show natural companions to 522.

What fabric color works best with Cosmo 522?

It reads best on black or dark fabric and can wash out on white, so reach for a dark or mid-tone ground. For reference, 522 has a contrast ratio of about 1.7:1 on white fabric and 12.3:1 on black. As a cool shade, its cool cast recedes visually — useful for backgrounds, shadows, water and sky, and calm, restful palettes.