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Centered Colchicum

#851a87
Notes

Centered Colchicum (#851A87) 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 (299°, 68%, 32%) 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
#851a87
RGB
rgb(133, 26, 135)
HSL
hsl(299, 68%, 32%)
HWB
hwb(299 10% 47%)
OKLCH
oklch(44.6% 0.185 327.3)
HSV
hsv(299, 81%, 53%)
LAB
lab(32.87% 56.01 -35.89)
LCH
lch(32.87% 66.52 327.35)
CMYK
cmyk(1%, 81%, 0%, 47%)

Etymology

Centered
adjective

Latin centrum, center — past-participle of center. As a color modifier, centered implies a saturated-and-grounded-and-balanced quality where the hue occupies the visual center of its palette without drift. Sits at the bold-and-balanced end of the grid, parallel to poised and grounded.

Colchicum
noun

Autumn crocus (Colchicum autumnale) — a Colchicaceae bulb native to Colchis (modern Georgia) whose deep-violet six-tepalled corolla emerges leafless in late autumn, named for the home of Medea. Colchicum color refers to a fully opened Colchicum autumnale corolla on a Cotswold meadow: a saturated, slightly cool deep violet with the velvet finish of fresh six-tepalled chalice-corolla. The plant is the source of colchicine, used to treat gout.

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.

#851a87
Original
#00458a
Protanopia
#385284
Deuteranopia
#892e51
Tritanopia
#393939
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
8.42:1
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
2.49:1

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