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Menacing Colchicum

#6d1466
Notes

Menacing Colchicum (#6D1466) 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 (305°, 69%, 25%) 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
#6d1466
RGB
rgb(109, 20, 102)
HSL
hsl(305, 69%, 25%)
HWB
hwb(305 8% 57%)
OKLCH
oklch(38.1% 0.153 331.7)
HSV
hsv(305, 82%, 43%)
LAB
lab(25.90% 46.93 -26.26)
LCH
lch(25.90% 53.78 330.77)
CMYK
cmyk(0%, 82%, 6%, 57%)

Etymology

Menacing
adjective

Latin minārī, to threaten — present-participle of menace, sharing root with minatory. As a color modifier, menacing implies a deep-and-threatening-and-imposing quality, the dark cool-gray of looming storm-cloud-and-imposing-cliff visual-presence. Sits at the deep-and-threatening end of the grid, parallel to ominous and foreboding in tone.

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.

#6d1466
Original
#0b3568
Protanopia
#324264
Deuteranopia
#72203d
Tritanopia
#2d2d2d
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

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