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Poised Erythrite

#8a109e
Notes

Poised Erythrite (#8A109E) is a deep violet with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (292°, 82%, 34%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#8a109e
RGB
rgb(138, 16, 158)
HSL
hsl(292, 82%, 34%)
HWB
hwb(292 6% 38%)
OKLCH
oklch(46.4% 0.212 321.0)
P3
color(display-p3 0.4956 0.1202 0.5978)
HSV
hsv(292, 90%, 62%)
LAB
lab(34.48% 63.20 -47.36)
LCH
lch(34.48% 78.98 323.15)
CMYK
cmyk(13%, 90%, 0%, 38%)

Etymology

Poised
adjective

Old French peser, to weigh — past-participle of poise. As a color modifier, poised implies a saturated-and-balanced-and-confident quality where the hue holds its position with elegant equilibrium. Sits at the bold-and-confident end of the grid, parallel to centered and composed.

Erythrite
noun

Cobalt bloom, a hydrated cobalt arsenate mineral that forms as a secondary alteration product on cobalt-rich ores. The mineral is sometimes called cobalt arsenate hydrate. Erythrite color refers to a freshly fractured Schneeberg erythrite crystal cluster: a saturated, slightly cool deep violet with the matte finish of acicular hydrated cobalt-arsenate crystals. Named for the Greek erythros (red), though the mineral is purple-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.

#8a109e
Original
#0049a1
Protanopia
#27559b
Deuteranopia
#8b355d
Tritanopia
#343434
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
7.93:1
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
2.65:1

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
##8A109E
Display P3
Display P3
color(display-p3 0.4956 0.1202 0.5978)
P3 has visible headroomOKLCH chroma 0.212

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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