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Cavernous Kunzite

#6b1d58
Notes

Cavernous Kunzite (#6B1D58) is a deep magenta with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (315°, 57%, 27%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#6b1d58
RGB
rgb(107, 29, 88)
HSL
hsl(315, 57%, 27%)
HWB
hwb(315 11% 58%)
OKLCH
oklch(37.8% 0.130 339.2)
P3
color(display-p3 0.3858 0.1370 0.3358)
HSV
hsv(315, 73%, 42%)
LAB
lab(25.89% 40.94 -17.11)
LCH
lch(25.89% 44.37 337.32)
CMYK
cmyk(0%, 73%, 18%, 58%)

Etymology

Cavernous
adjective

An adjectival form of cavern, used principally for the deep darkness of large enclosed spaces. As a color modifier, cavernous implies the slightly cool deep blacks of a Lascaux-style cave or a basilica crypt — darkness with the optical complexity of a space larger than any single light source can fill. Sits in the deep-and-spatial end of the grid.

Kunzite
noun

Pink variety of the lithium-aluminum silicate spodumene — first described from the San Diego gem-deposits of California in 1902 by George Frederick Kunz. The pink color comes from manganese substitution. Kunzite color refers to a faceted San-Diego-area kunzite: a saturated, slightly cool deep magenta with the glassy finish of manganese-substituted spodumene gem crystal. Pleochroic between deep-pink and pale-violet.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#6b1d58
Original
#21355a
Protanopia
#3a4256
Deuteranopia
#712037
Tritanopia
#323232
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
10.81:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
1.94:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##6B1D58
Display P3
Display P3
color(display-p3 0.3858 0.1370 0.3358)
P3 has subtle headroomOKLCH chroma 0.130

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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