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Mellowed Knossos

#67556f
Notes

Mellowed Knossos (#67556F) 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 (282°, 13%, 38%) places it in the muted 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
#67556f
RGB
rgb(103, 85, 111)
HSL
hsl(282, 13%, 38%)
HWB
hwb(282 33% 56%)
OKLCH
oklch(47.7% 0.047 315.4)
P3
color(display-p3 0.3925 0.3360 0.4284)
HSV
hsv(282, 23%, 44%)
LAB
lab(38.77% 12.70 -12.08)
LCH
lch(38.77% 17.53 316.43)
CMYK
cmyk(7%, 23%, 0%, 56%)

Etymology

Mellowed
adjective

Old English mealu, meal / soft — past-participle of mellow. As a color modifier, mellowed implies a hushed-and-softened-and-deepened quality where the hue carries the visual register of Burgundy-and-Bordeaux multi-decade fully-mellowed-and-deepened wine-cellar maturation finished-state. Sits at the hushed-and-aged end of the grid, parallel to aged and seasoned in usage.

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.

#67556f
Original
#525a70
Protanopia
#555c6e
Deuteranopia
#67585e
Tritanopia
#5b5b5b
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
6.76:1
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
3.11:1

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
##67556F
Display P3
Display P3
color(display-p3 0.3925 0.3360 0.4284)
Inside sRGBOKLCH chroma 0.047

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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