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Conquering Petrea

#8c31a2
Notes

Conquering Petrea (#8C31A2) is a true violet with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (288°, 54%, 41%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#8c31a2
RGB
rgb(140, 49, 162)
HSL
hsl(288, 54%, 41%)
HWB
hwb(288 19% 36%)
OKLCH
oklch(49.4% 0.185 319.1)
HSV
hsv(288, 70%, 64%)
LAB
lab(38.52% 54.43 -43.28)
LCH
lch(38.52% 69.54 321.51)
CMYK
cmyk(14%, 70%, 0%, 36%)

Etymology

Conquering
adjective

Latin conquīrere, to seek thoroughly — present-participle of conquer. As a color modifier, conquering implies a saturated-and-overwhelming-and-victorious quality where the hue overcomes neighboring colors through pure pigmentation strength. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and dominant.

Petrea
noun

South American purple wreath vine (Petrea volubilis) — a Caribbean and Central-American twining woody vine cultivated worldwide for its long pendulous racemes of deep-violet sandpaper-textured flowers. Petrea color refers to a fully bloomed Petrea volubilis pendulous raceme: a saturated, slightly cool deep violet with the matte finish of fresh five-pointed star-shaped sandpaper-textured corollas. Named for Robert James Petre, an English botanical patron of the 18th century.

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

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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.

#8c31a2
Original
#0055a5
Protanopia
#395e9f
Deuteranopia
#8c4666
Tritanopia
#4d4d4d
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).
AAon White
6.83:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.08:1

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