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Menacing Jambū

#631675
Notes

Menacing Jambū (#631675) 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 (289°, 68%, 27%) 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
#631675
RGB
rgb(99, 22, 117)
HSL
hsl(289, 68%, 27%)
HWB
hwb(289 9% 54%)
OKLCH
oklch(37.7% 0.159 319.0)
P3
color(display-p3 0.3559 0.1115 0.4426)
HSV
hsv(289, 81%, 46%)
LAB
lab(25.29% 46.85 -37.01)
LCH
lch(25.29% 59.70 321.70)
CMYK
cmyk(15%, 81%, 0%, 54%)

Etymology

Menacing
adjective

Latin minārī, to threaten — present-participle of menace, sharing root with minatory. As a color modifier, menacing implies a deep-and-threatening-and-imposing quality, the dark cool-gray of looming storm-cloud-and-imposing-cliff visual-presence. Sits at the deep-and-threatening end of the grid, parallel to ominous and foreboding in tone.

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.

#631675
Original
#003778
Protanopia
#1d3e73
Deuteranopia
#632b45
Tritanopia
#2d2d2d
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
11.04:1
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
1.90:1

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
##631675
Display P3
Display P3
color(display-p3 0.3559 0.1115 0.4426)
P3 has subtle headroomOKLCH chroma 0.159

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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