Cosmo Embroidery Floss

345

Reds family

Below: Cosmo 345, a medium, vivid red shade with hex #B6232A and RGB 182, 35, 42. 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
#B6232A
RGB
182, 35, 42
HSL
357°, 68%, 43%
Lab
40.1, 57.1, 34.4
Lightness
43%
Medium
Saturation
68%
Rich
Hue
357°
Family
Reds

Brand Equivalents for Cosmo 345

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

Cosmo 345

Sullivans

Raspberry Dark 45429 90% Good
Christmas Red Medium 45050 85% Good
Terra Cotta 45427 84% Good
Rose Deep 45052 83% Good
Rose Very Deep 45064 81% Good

Crescent Colours

Chili Pepper 167 79% Approx
Cherry Tomato 034 79% Approx
Ruby Slippers 136 70% Approx
Crab Cakes 080 63% Fair
Manor Red 101 62% Fair

Similar Cosmo Colors to 345

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

Working with Cosmo 345

On white fabric
6.4:1
On dark fabric
3.3:1
Temperature
warm
Closest to
crimson

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

Because Cosmo 857 is so near (ΔE 1.57), the pair makes a natural two-step gradient — handy for shading skin, petals, or skies without a hard seam.

Color Harmonies for Cosmo 345

Cosmo threads that pair well with 345, 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

Reds Family

Cosmo 345 in context with nearby shades from the reds color family.

About Cosmo 345

Cosmo 345 is a medium, vivid shade in the reds family with warm crimson tones. The rich and lively mood of this color makes it a natural fit for valentines and poppies. Expect to see it used in cardinal birds and apple motifs across many cross-stitch charts.

Frequently Asked Questions

What does Cosmo 345 look like?

Cosmo 345 is a medium shade in the reds family with hex #B6232A and RGB 182, 35, 42. Stitchers reach for it in projects featuring roses and hearts.

Which DMC thread matches Cosmo 345?

The closest DMC match for Cosmo 345 is DMC 349 (Coral dark) with a 94% match based on visual color similarity. Other near matches include DMC 666 (Christmas Red bright, 83%) and DMC 321 (Christmas Red, 79%).

What Cosmo colors are similar to 345?

The closest Cosmo threads to 345 are 857 (ΔE 1.57), 346 (ΔE 1.67), and 800 (ΔE 2.03). These are useful substitutes when 345 is unavailable or for building gradients.

When should I use Cosmo 345?

Reach for Cosmo 345 when your project calls for roses, hearts, holiday designs, bold accents. Its medium character carries both small accents and wider palette work; the harmony picks on this page show natural companions to 345.

What fabric color works best with Cosmo 345?

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, 345 has a contrast ratio of about 6.4:1 on white fabric and 3.3:1 on black. As a warm shade, its warm cast advances toward the viewer — good for focal points, highlights, and cozy, inviting palettes.