Anchor Stranded Cotton

133 — Sky Blue Very Dark

Blues family

Looking up Anchor 133? It's Sky Blue Very Dark, a dark blue shade (#0B1858 / RGB 11, 24, 88). Scroll down for Cosmo, Classic Colorworks, and Weeks Dye Works equivalents ranked by visual similarity, plus 8 close Anchor alternatives and curated color harmonies.

Hex
#0B1858
RGB
11, 24, 88
HSL
230°, 78%, 19%
Lab
12.1, 21.7, -39.8
Lightness
19%
Very dark
Saturation
78%
Rich
Hue
230°
Family
Blues

Brand Equivalents for Anchor 133

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

Anchor 133 Sky Blue Very Dark

Sullivans

Royal Blue Dark 45206 94% Good
Cornflower Blue Very Dark 45202 92% Good
Cornflower Blue Medium Dark 45473 80% Good
Royal Blue Very Dark 45222 78% Approx
Navy Blue 45069 74% Approx

Crescent Colours

Granny Annie 083 50% Fair
Nighty Nite 160 30% Fair
Purple Aster 070 22% Fair
Blacksmith Blue 187 21% Fair
Wavy Navy 075 18% Fair

Similar Anchor Colors to 133

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

Working with Anchor 133

On white fabric
16.3:1
On dark fabric
1.3:1
Temperature
cool
Closest to
navy

It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground.

Backstitch & outlines

Anchor 133 (Sky Blue Very Dark) is dark enough to define edges: stitchers reach for shades like it when a design needs crisp backstitch outlines or readable text.

Color Harmonies for Anchor 133

Anchor threads that pair well with 133, 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

Blues Family

Anchor 133 in context with nearby shades from the blues color family.

About Anchor 133

Meet Anchor 133, Sky Blue Very Dark — a vivid, dark thread in the blues family with true blue tones. The shade reads as dramatic and vivid — a go-to choice for skies and water. It also turns up in patterns built around denim textures and cool-toned backgrounds.

Frequently Asked Questions

Anchor 133 — what color is it?

The color of Anchor 133 is Sky Blue Very Dark — a dark blue thread (hex #0B1858, RGB 11, 24, 88). It shows up most in bluebird motifs and whale designs.

What is the DMC equivalent of Anchor 133?

The closest DMC match for Anchor 133 (Sky Blue Very Dark) is DMC 820 (Royal Blue very dark) with a 84% match based on visual color similarity. Other near matches include DMC 796 (Royal Blue dark, 70%) and DMC 791 (Cornflower Blue very dark, 69%).

Which Anchor threads are close to 133?

The closest Anchor threads to 133 are 150 Navy Blue Dark (ΔE 4.33), 148 Navy Blue Medium (ΔE 5.06), and 178 Cornflower Blue Very D (ΔE 5.69). These are useful substitutes when 133 is unavailable or for building gradients.

What is Anchor 133 good for?

Anchor 133 (Sky Blue Very Dark) is commonly used in cross-stitch projects featuring bluebird motifs, whale designs, sapphire accents, porcelain patterns. Its dark tone works well for standalone motifs and as part of larger palettes. This page includes color harmonies and similar shades to pair with 133.

Is Anchor 133 (Sky Blue Very Dark) good for backstitching and outlines?

It's an excellent outline color. The depth of 133 defines edges and text cleanly where lighter threads would disappear into the fill; one strand is usually enough for backstitch.