Valdani Perle Cotton

O537 — Sea Deep

Blues family#536C82

Valdani O537 — Sea Deep — has hex #536C82 and RGB 83, 108, 130. This medium, muted blue thread sits alongside its closest Cosmo, Classic Colorworks, and Weeks Dye Works matches below, with 8 similar Valdani shades and a panel of color harmonies for palette planning.

Hex
#536C82
RGB
83, 108, 130
HSL
208°, 22%, 42%
Lab
44.5, -3.4, -15.1
Lightness
42%
Medium
Saturation
22%
Neutral
Hue
208°
Family
Blues

Brand Equivalents for Valdani O537

The five closest matches in each brand, ranked by CIEDE2000 perceptual color difference.

Valdani O537Sea Deep

Similar Valdani Colors to O537

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

Working with Valdani O537

On white fabric
5.5:1
On dark fabric
3.8:1
Temperature
soft cool
Closest to
indigo

It has moderate contrast on both light and dark fabric — usable on either, but test a few stitches on your chosen ground first.

Hand-dyed notes

Hand-dyed threads like Valdani O537 (Sea Deep) are never perfectly flat; expect soft variegation. Stock up in a single dye lot up front, since later batches can read noticeably different.

Color Harmonies for Valdani O537

Valdani threads that pair well with O537, 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

ValdaniO537 in context with nearby shades from the blues color family.

About Valdani O537

Known as Sea Deep, Valdani O537 is a medium, muted shade sitting in the blues family with sky blue tones. It has a restrained and earthy feel that suits cool-toned backgrounds and nautical themes particularly well. Designers often pair this shade with winter scenes or forget-me-nots for balanced palettes.

Frequently Asked Questions

Valdani O537 — what color is it?

The color of Valdani O537 is Sea Deep — a medium blue thread (hex #536C82, RGB 83, 108, 130). It shows up most in porcelain patterns and hydrangea blooms.

What is the DMC equivalent of Valdani O537?

The closest DMC match for Valdani O537 (Sea Deep) is DMC 931 (Antique Blue medium) with a 92% match based on visual color similarity. Other near matches include DMC 414 (Steel Grey dark, 68%) and DMC 3760 (Wedgewood (806), 64%).

Which Valdani threads are close to O537?

The closest Valdani threads to O537 are O578 Primitive Blues (ΔE 8.49), 101 Heavenly Blue (ΔE 9.06), and 871 Dusty Blue Light (ΔE 9.14). These are useful substitutes when O537 is unavailable or for building gradients.

What is Valdani O537 good for?

Valdani O537 (Sea Deep) is commonly used in cross-stitch projects featuring porcelain patterns, hydrangea blooms, skies, water. 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 O537.

Does Valdani O537 (Sea Deep) vary between dye lots?

Some. As a hand-dyed floss, O537 shifts subtly skein to skein — that gentle variegation is the appeal. Buy enough for a project in one dye lot and stitch in a random order to blend any variation.