Exodus 28:28

And they rings shall bind the breastplate from the to the rings of the ephod by a thread of cerulean purple, to be upon the girdle of the ephod; and the breast-plate shall not be moved from the ephod.

Numbers 15:38

Speak to the sons of Israel, and say to them, They made to them fringes of flowers upon the wings of their garment for their generations; and they gave upon the fringes of the wing a thread of cerulean purple;

Exodus 28:31

And make the upper garment of the ephod, complete, of cerulean purple.

Exodus 28:37

And put it upon a thread of cerulean purple, and it was upon the turban; to the fore-front of the face of the turban shall it be.

Exodus 39:30-31

And they will make a brightness, a diadem of the holy place of pure gold, and they will write upon it a writing, the engravings fo a seal, HOLY TO JEHOVAH.

Treasury of Scripture Knowledge

Summary

And they shall bind the breastplate by the rings thereof unto the rings of the ephod with a lace of blue, that it may be above the curious girdle of the ephod, and that the breastplate be not loosed from the ephod.

General references

Bible References

A lace

Exodus 28:31
And make the upper garment of the ephod, complete, of cerulean purple.
Exodus 39:30
And they will make a brightness, a diadem of the holy place of pure gold, and they will write upon it a writing, the engravings fo a seal, HOLY TO JEHOVAH.
Numbers 15:38
Speak to the sons of Israel, and say to them, They made to them fringes of flowers upon the wings of their garment for their generations; and they gave upon the fringes of the wing a thread of cerulean purple;

General references

Exodus 28:31
And make the upper garment of the ephod, complete, of cerulean purple.