Anchor Stranded Cotton

921 — Antique Blue Medium

Blues family

Need details on Anchor 921? This medium-dark, subdued blue shade (Antique Blue Medium) is hex #586172, RGB 88, 97, 114. Cross-brand equivalents in Madeira, J&P Coates, and Sullivans are listed below — ranked by perceptual similarity — alongside 8 nearby Anchor shades and color-theory harmony pairings.

Hex
#586172
RGB
88, 97, 114
HSL
219°, 13%, 40%
Lab
41.0, 0.6, -10.8
Lightness
40%
Dark
Saturation
13%
Neutral
Hue
219°
Family
Blues

Brand Equivalents for Anchor 921

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

Anchor 921 Antique Blue Medium

Madeira

Delft Dark 0911 58% Fair
Antique Blue Medium 1004 56% Fair
Dusty Blue Medium 1711 55% Fair
Antique Blue 1003 49% Fair
Royal Blue Medium 0912 48% Fair

J&P Coates

Sapphire Dark 7182 68% Approx
Sea Blue Medium Dark 7978 64% Fair
Cobalt Blue Medium 7022 62% Fair
Stormy Blue Very Dark 7150 61% Fair
Sea Blue Dark 7979 59% Fair

Sullivans

Steel Grey Dark 45090 81% Good
Antique Blue Medium 45274 68% Approx
Pewter Grey 45058 60% Fair
Grey Green Dark 45384 56% Fair
Grey Blue 45476 52% Fair

Cosmo

Cosmo 734 734 68% Approx
Cosmo 2154 2154 60% Fair
Cosmo 2028 2028 59% Fair
Cosmo 2019 2019 59% Fair
Cosmo 154 154 53% Fair

Classic Colorworks

Summer Sky Summer Sky 78% Approx
Blue Moon Blue Moon 76% Approx
Chesapeake Bay Chesapeake Bay 69% Approx
Zach Black Zach Black 63% Fair
Milady's Teal Milady's Teal 59% Fair

Weeks Dye Works

Shepard's Blue 2108a 85% Good
Battleship 2108 73% Approx
Father's Day 4117 66% Approx
Miami (obsolete) 2101 62% Fair
Blackboard 1295 60% Fair

Gentle Art Sampler

Distressed Denim 0293 76% Approx
Peacock 0910 73% Approx
Blueberry 0230 65% Approx
Midnight 0240 65% Approx
Blue Jay 0210 62% Fair

Valdani

Antique Blue medium 126 72% Approx
Grey Blue 122 59% Fair
Cornflower Blue medium 120 50% Fair
Grey Green dark 891 46% Fair
Antique Blue dark O126 45% Fair

Crescent Colours

Deep Blue Sea 065 82% Good
Smoke 039 68% Approx
Plymouth Rock 163 68% Approx
Deep Fennel 053 65% Approx
Blue Moon 005 60% Fair

Similar Anchor Colors to 921

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

Color Harmonies for Anchor 921

Anchor threads that pair well with 921, 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

Anchor 921 in context with nearby shades from the blues color family.

About Anchor 921

Antique Blue Medium (catalog code Anchor 921) is a medium-dark, subdued shade from the blues family with sky blue tones. With a muted and intense quality, this thread works beautifully in water and denim textures. You will find this color at home in patterns featuring cool-toned backgrounds and nautical themes.

Frequently Asked Questions

What color is Anchor 921?

Anchor 921 is called Antique Blue Medium. It's a medium-dark blue shade (hex #586172, RGB 88, 97, 114) in the blues family, commonly used for whale designs, sapphire accents, and similar motifs.

What's the closest DMC match for Anchor 921?

The closest DMC match for Anchor 921 (Antique Blue Medium) is DMC 414 (Steel Grey dark) with a 79% match based on visual color similarity. Other near matches include DMC 317 (Pewter Grey, 75%) and DMC 931 (Antique Blue medium, 72%).

What's a good substitute for Anchor 921?

The closest Anchor threads to 921 are 1034 Antique Blue Medium Dark (ΔE 2), 939 Blue Grey (ΔE 4.79), and 977 Blue Medium (ΔE 4.86). These are useful substitutes when 921 is unavailable or for building gradients.

What projects use Anchor 921?

Cross-stitchers pull Anchor 921 (Antique Blue Medium) for charts featuring whale designs, sapphire accents, porcelain patterns, hydrangea blooms. The medium-dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.