The Seba library treats Indigo in 7 passages, across 6 authors (including Rudolf Ritsema, Stephen Karcher, Clarissa Pinkola Estés, Ph D, David Konstan).
Its color is indigo, the color of the sky's depths, the venerability of gods and spiritual agencies.
The I Ching commentary assigns indigo to Force (Ch'ien) as the color of celestial depth and divine venerability within the Universal Compass.
, I Ching: The Classic Chinese Oracle of Change, 1994thesis
She says the beard is blue, indigo-colored to be exact. It is as blue as the dark ice in the lake, as blue as the shadow of a hole at night.
Estés uses indigo to characterize Bluebeard's relic beard, encoding the color with predatory shadow, failed magical power, and the uncanny depths of the psyche's destructive masculine.
, Women Who Run With the Wolves Myths and Stories of the Wild, 2017thesis
Aristotle's notion of anger relates to our own in something like the way that indigo does to blue: they overlap in part, but do not have the same extension.
Konstan uses indigo as an analogy for conceptual partial overlap, illustrating how ancient Greek emotional categories do not map precisely onto modern equivalents.
, The Emotions of the Ancient Greeks: Studies in Aristotle and Classical Literature, 2006supporting
the fire moved and transported itself down into Spirit Lake, way at the bottom, and burned there as a tiny orange speck in the midst of that indigo blue water.
In an active imagination sequence, Johnson describes indigo blue water as the liminal vessel into which transformative fire descends, marking a threshold of psychic renewal.
, Inner Work: Using Dreams and Active Imagination for Personal Growth, 1986supporting
2.6a Their blood: indigo, yellow.
The I Ching hexagram commentary pairs indigo with yellow as blood-colors in the second hexagram, situating the term within the yin-yang chromatic symbolism of earth and heaven.
, I Ching: The Classic Chinese Oracle of Change, 1994supporting
West: Blue, light green, or indigo—Water—Cups
Greer associates indigo with the western direction, the element of Water, and the Cups suit in a ritual-spatial Tarot framework.
, Tarot for Your Self: A Workbook for the Inward Journey, 1984aside
the caelum is the blue sky in which the world has its home; but the sky is not the world, not physically mundified.
Hillman's treatment of blue as the color of the caelum and unus mundus provides the broader alchemical-imaginal context within which indigo's celestial depth-symbolism finds its theoretical home.
, Alchemical Psychology, 2010aside