The Maximum Cobalt
Glide 30647 Cobalt is vivid, saturated cobalt — a powerful, deep, intensely blue thread that reads as the quintessential cobalt of ceramic glazes and artist pigments. On cobalt fabrics and designs where blue should be as vivid and rich as possible, Cobalt delivers the maximum blue-jewel presence.
Top 10 Uses
- Cobalt and rich saturated blue fabrics
- Jewel-tone quilts with cobalt blue element
- Vivid bold blue contemporary designs
- Art quilts using cobalt as primary colour element
- Tone-on-tone on vivid cobalt fabrics
- Competition quilts where cobalt blue is a design choice
- Mixed jewel-palette production with cobalt component
- Photography quilts in vivid cobalt blue
- Bold modern minimalist cobalt designs
- Studio vivid jewel-blue production thread
Frequently Asked Questions
Cobalt or Royal?
Royal is a touch brighter and more classic; Cobalt deeper and more jewel. Ceramic-glaze fabrics take Cobalt, team-colour royals take Royal.
Cobalt or Bright Blue?
Bright Blue is lighter and louder; Cobalt deeper. Match the value.
What pairs with Cobalt on jewel quilts?
Zaffre for the sapphire darks and Grape for the amethyst passages.
Shop Fil-Tec Glide 30647 Cobalt Thread
The vivid jewel cobalt blue for bold and jewel-tone quilts.




