Cosmo Embroidery Floss

406

Reds family

Cosmo 406 has hex #C03627 and RGB 192, 54, 39. This medium, vivid red thread sits alongside its closest Classic Colorworks, Weeks Dye Works, and Gentle Art Sampler matches below, with 8 similar Cosmo shades and a panel of color harmonies for palette planning.

Hex
#C03627
RGB
192, 54, 39
HSL
6°, 66%, 45%
Lab
44.2, 53.9, 40.9
Lightness
45%
Medium
Saturation
66%
Rich
Hue
Family
Reds

Brand Equivalents for Cosmo 406

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

Cosmo 406

Sullivans

Copper 45267 86% Good
Burnt Orange Dark 45251 82% Good
Salmon Very Dark 45072 80% Good
Christmas Red 45062 78% Approx
Coral Dark 45073 78% Approx

Crescent Colours

Ruby Slippers 136 74% Approx
Crab Cakes 080 71% Approx
Lobster Claw 174 66% Approx
Chili Pepper 167 66% Approx
Cherry Tomato 034 61% Fair

Similar Cosmo Colors to 406

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

Working with Cosmo 406

On white fabric
5.5:1
On dark fabric
3.8:1
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

Cosmo 406 sits a hair from Cosmo 187 (ΔE 1.94) — close enough to blend a strand of each for a smooth gradient or to swap one for the other in a pinch.

Color Harmonies for Cosmo 406

Cosmo threads that pair well with 406, 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 406 in context with nearby shades from the reds color family.

About Cosmo 406

Cosmo 406 sits in the reds family as a medium, vivid shade with true red tones. It has a vibrant and steady feel that suits bold accents and berries particularly well. Designers often pair this shade with valentines or poppies for balanced palettes.

Frequently Asked Questions

Cosmo 406 — what color is it?

Cosmo 406 is a medium red thread (hex #C03627, RGB 192, 54, 39). It shows up most in barn scenes and tomato patterns.

What is the DMC equivalent of Cosmo 406?

The closest DMC match for Cosmo 406 is DMC 900 (Burnt Orange dark) with a 93% match based on visual color similarity. Other near matches include DMC 350 (Coral medium, 75%) and DMC 666 (Christmas Red bright, 74%).

Which Cosmo threads are close to 406?

The closest Cosmo threads to 406 are 187 (ΔE 1.94), 344 (ΔE 4.28), and 800 (ΔE 4.3). These are useful substitutes when 406 is unavailable or for building gradients.

What is Cosmo 406 good for?

Cosmo 406 is commonly used in cross-stitch projects featuring barn scenes, tomato patterns, roses, hearts. Its medium tone works well for standalone motifs and as part of larger palettes. This page includes color harmonies and similar shades to pair with 406.

What fabric color works best with Cosmo 406?

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, 406 has a contrast ratio of about 5.5:1 on white fabric and 3.8:1 on black. As a warm shade, its warm cast advances toward the viewer — good for focal points, highlights, and cozy, inviting palettes.