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Wellbred Knossos

#681d83
Notes

Wellbred Knossos (#681D83) 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 (284°, 64%, 31%) 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
#681d83
RGB
rgb(104, 29, 131)
HSL
hsl(284, 64%, 31%)
HWB
hwb(284 11% 49%)
OKLCH
oklch(40.1% 0.166 315.2)
P3
color(display-p3 0.3750 0.1357 0.4955)
HSV
hsv(284, 78%, 51%)
LAB
lab(28.01% 48.25 -41.45)
LCH
lch(28.01% 63.61 319.34)
CMYK
cmyk(21%, 78%, 0%, 49%)

Etymology

Wellbred
adjective

Old English wel-brēd, well-bred — past-participle of breed, sharing root with brood (offspring). As a color modifier, wellbred implies a saturated-and-elegant-and-formal quality, the deep-rich color of Edwardian-period finishing-school-and-debutante-Court English-aristocratic livery. Sits at the bold-and-elegant end of the grid, parallel to highborn and patrician.

Knossos
noun

Minoan Cretan palace-complex (occupied c. 1900–1370 BCE) — the legendary court of King Minos and a major Bronze-Age Tyrian purple production center supplying the Aegean trade network. Knossos color refers to a Knossos-period Minoan purpura-dyed fresco border: a saturated, slightly cool deep violet with the matte finish of multi-bath Hexaplex trunculus shellfish dye on lime-plaster wall painting.

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

Click any swatch to explore

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.

#681d83
Original
#003e86
Protanopia
#194481
Deuteranopia
#66344f
Tritanopia
#343434
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
10.04:1
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
2.09:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##681D83
Display P3
Display P3
color(display-p3 0.3750 0.1357 0.4955)
P3 has subtle headroomOKLCH chroma 0.166

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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