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Lordly Porpora

#a31748
Notes

Lordly Porpora (#A31748) is a true magenta 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 (339°, 75%, 36%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a31748
RGB
rgb(163, 23, 72)
HSL
hsl(339, 75%, 36%)
HWB
hwb(339 9% 36%)
OKLCH
oklch(46.8% 0.174 7.8)
HSV
hsv(339, 86%, 64%)
LAB
lab(35.73% 56.40 9.19)
LCH
lch(35.73% 57.15 9.26)
CMYK
cmyk(0%, 86%, 56%, 36%)

Etymology

Lordly
adjective

Old English hlāford-līc, lord-like — adjectival suffix -ly. As a color modifier, lordly implies a saturated-and-aristocratic-and-haughty quality, the deep-rich color of pre-modern English-and-French manorial-aristocracy livery and hereditary-estate household-textile. Sits at the bold-and-aristocratic end of the grid, parallel to princely and patrician.

Porpora
noun

The Italian word for the imperial purple of Roman tradition — derived from murex shells but borrowed in modern Italian color vocabulary for a deep, slightly red-shifted purple-red. The color refers to porpora-dyed Venetian silk: a saturated, slightly cool deep red-purple with the satin finish of plant-and-shell dye. Cooler than crimson, warmer than burgundy.

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.

#a31748
Original
#404249
Protanopia
#645e45
Deuteranopia
#b2002e
Tritanopia
#383838
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
7.57:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.77:1

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