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Fortified Disocactus

#ad3b8a
Notes

Fortified Disocactus (#AD3B8A) is a true magenta 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 (318°, 49%, 45%) 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
#ad3b8a
RGB
rgb(173, 59, 138)
HSL
hsl(318, 49%, 45%)
HWB
hwb(318 23% 32%)
OKLCH
oklch(54.0% 0.172 342.0)
HSV
hsv(318, 66%, 68%)
LAB
lab(44.02% 54.62 -19.77)
LCH
lch(44.02% 58.09 340.10)
CMYK
cmyk(0%, 66%, 20%, 32%)

Etymology

Fortified
adjective

Latin fortificāre, to make strong — past-participle of fortify. As a color modifier, fortified implies a saturated-and-strengthened-and-defensive quality, the deep-rich color of Vauban-style military-fortification stone-and-earth rampart-and-bastion architecture. Sits at the bold-and-fortified end of the grid, parallel to bastioned and armored.

Disocactus
noun

Central American orchid cactus (Disocactus ackermannii) — a Cactaceae epiphytic cactus native to Mexican-and-Guatemalan cloud-forests, with deep-magenta funnel-shaped flowers held above flat strap-like stems. Disocactus color refers to a fully opened Disocactus ackermannii funnel-flower in a Veracruz cloud-forest understory: a saturated, slightly cool deep magenta with the velvet finish of fresh fused-petaled funnel-corolla.

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.

#ad3b8a
Original
#445c8c
Protanopia
#666f87
Deuteranopia
#b73c5d
Tritanopia
#595959
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
5.57:1
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
3.77:1

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