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Firm Foxglove

#8640a8
Notes

Firm Foxglove (#8640A8) 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 (280°, 45%, 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
#8640a8
RGB
rgb(134, 64, 168)
HSL
hsl(280, 45%, 45%)
HWB
hwb(280 25% 34%)
OKLCH
oklch(50.8% 0.168 313.0)
HSV
hsv(280, 62%, 66%)
LAB
lab(40.51% 47.38 -43.72)
LCH
lch(40.51% 64.47 317.30)
CMYK
cmyk(20%, 62%, 0%, 34%)

Etymology

Firm
adjective

Latin firmus, strong / stable — sharing root with English farm (originally a fixed-yearly-rental). As a color modifier, firm implies a saturated-and-resolute quality where the hue holds its visual position without wavering. Sits at the bold-and-firm end of the grid, parallel to steadfast and unwavering in usage.

Foxglove
noun

Digitalis purpurea, the European biennial whose tall spires of tubular flowers contain digitoxin, the heart-medicine glycoside that's still in clinical use. The color refers to a fresh deep-purple foxglove flower interior: a saturated, slightly red-shifted deep purple with the matte finish of a tubular bee-pollinated bloom. Cooler than mauve, warmer than indigo, with the medicinal weight of a plant lethal in raw form and lifesaving in measured dose.

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.

#8640a8
Original
#1a5cab
Protanopia
#3a61a5
Deuteranopia
#83536e
Tritanopia
#565656
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
6.34:1
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
3.31:1

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