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Approximate screen color · source authority unverified

Treat this hex as approximate until it is checked against a physical sample.

Spectrum

The Filament CF Blue

ASA CF · ASA-CF · carbon-fiber

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Color values and print settings
Hex
#40719A
RGB
64, 113, 154
HSL
207°, 41%, 43%
CIELAB
45.95, -3.92, -27.23
Diameter
1.75 mm

Printing this material

  • Abrasive — Contains fibre, mineral or metal filler that wears brass nozzles quickly. A hardened or ruby nozzle lasts; a stock brass one may not survive a spool.
  • Enclosure recommended — Shrinks enough while cooling that draughts cause warping and split layers. An enclosure, or simply a still room, makes the difference.

True of ASA-CF generally. Follow Spectrum’s own guidance for this spool.

Where to buy

No purchase source indexed yet. That is a gap in our retailer coverage rather than a judgement about the filament — it may well be in stock somewhere we have not indexed.

Closest alternatives from other spools

Ranked by how close each one looks to #40719A, measured perceptually. Useful when this color is out of stock or you print in a different material.

Other colors in ASA CF

See everything close to #40719A →