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Pragmatic Allium

#a597e7
Notes

Pragmatic Allium (#A597E7) is a soft indigo with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (251°, 62%, 75%) places it in the balanced band at a light lightness. It works as a background wash, large-area fill, or soft illustration tone. Add a darker ink of the same hue when you need type over it. For a confident two-color system, pair it with its complementary yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a597e7
RGB
rgb(165, 151, 231)
HSL
hsl(251, 62%, 75%)
HWB
hwb(251 59% 9%)
OKLCH
oklch(71.9% 0.115 291.2)
HSV
hsv(251, 35%, 91%)
LAB
lab(66.44% 22.44 -38.59)
LCH
lch(66.44% 44.64 300.18)
CMYK
cmyk(29%, 35%, 0%, 9%)

Etymology

Pragmatic
adjective

Greek pragmatikós, of business / practical — adjectival suffix -ic. As a color modifier, pragmatic implies a clear-and-purpose-fit-and-no-nonsense quality where the hue carries the visual register of straightforward-utilitarian-and-functional decision-making. Sits at the crisp-and-functional end of the grid, parallel to practical and functional in usage.

Allium
noun

Ornamental onion (Allium christophii, A. giganteum, A. aflatunense) — Central Asian native bulbs cultivated as architectural early-summer perennials with spherical umbels on bare stems. Allium color refers to a fully bloomed A. christophii umbel: a saturated, slightly cool deep blue-violet with the matte finish of dense radiating six-tepalled florets. The architectural allium globe drifted into mid-20th-century cottage-garden style via Beth Chatto.

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.

#a597e7
Original
#81a3ea
Protanopia
#82a0e5
Deuteranopia
#96a5b4
Tritanopia
#a0a0a0
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).
Failon White
2.57:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
8.18:1

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