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Aging Jambū

#664c63
Notes

Aging Jambū (#664C63) 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 (307°, 15%, 35%) 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
#664c63
RGB
rgb(102, 76, 99)
HSL
hsl(307, 15%, 35%)
HWB
hwb(307 30% 60%)
OKLCH
oklch(45.2% 0.049 330.3)
P3
color(display-p3 0.3843 0.3021 0.3828)
HSV
hsv(307, 25%, 40%)
LAB
lab(35.78% 15.31 -9.14)
LCH
lch(35.78% 17.83 329.15)
CMYK
cmyk(0%, 25%, 3%, 60%)

Etymology

Aging
adjective

Old French aage, age — present-participle of age. As a color modifier, aging implies a hushed-and-time-deepening-and-developing quality where the hue carries the visual register of Bordeaux-and-Burgundy multi-decade gradually-aging-and-deepening wine-cellar maturation. Sits at the hushed-and-aged end of the grid, parallel to seasoning and maturing in usage.

Jambū
noun

Sanskrit जम्बू, the rose-apple (Syzygium jambos) — the eponymous fruit of Jambūdvīpa, the Continent of the Jambu Tree in Hindu and Buddhist cosmology, and a stock floral motif in Sanskrit poetry. Jambū color refers to a freshly cut Syzygium jambos drupe: a saturated, slightly cool deep violet with the matte finish of anthocyanin-rich fruit-flesh on the cut surface.

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.

#664c63
Original
#4b5264
Protanopia
#515562
Deuteranopia
#684e54
Tritanopia
#535353
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
7.56:1
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
2.78:1

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
##664C63
Display P3
Display P3
color(display-p3 0.3843 0.3021 0.3828)
Inside sRGBOKLCH chroma 0.049

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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