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Bulky Brunfelsia

#831b7d
Notes

Bulky Brunfelsia (#831B7D) 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 (303°, 66%, 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
#831b7d
RGB
rgb(131, 27, 125)
HSL
hsl(303, 66%, 31%)
HWB
hwb(303 11% 49%)
OKLCH
oklch(43.7% 0.175 330.7)
P3
color(display-p3 0.4715 0.1434 0.4747)
HSV
hsv(303, 79%, 51%)
LAB
lab(32.01% 53.63 -31.02)
LCH
lch(32.01% 61.95 329.95)
CMYK
cmyk(0%, 79%, 5%, 49%)

Etymology

Bulky
adjective

Old Norse búlki, cargo / mass — adjectival suffix -y. As a color modifier, bulky implies a saturated-and-massive-and-occupying quality where the hue takes up visual space with broad-and-heavy presence. Sits at the bold-and-weighty end of the grid, parallel to hefty and substantial in usage.

Brunfelsia
noun

South American yesterday-today-tomorrow (Brunfelsia pauciflora) — a Brazilian Atlantic forest native shrub whose flowers open deep-violet on day one, fade to lavender on day two, and white on day three. Brunfelsia color refers to a freshly opened day-one Brunfelsia pauciflora flower: a saturated, slightly cool deep violet with the velvet finish of fresh five-petaled flat-corolla. Named for Otto Brunfels, German Renaissance botanist.

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.

#831b7d
Original
#0d4280
Protanopia
#3d507b
Deuteranopia
#882a4b
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
8.68:1
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
2.42:1

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
##831B7D
Display P3
Display P3
color(display-p3 0.4715 0.1434 0.4747)
P3 has subtle headroomOKLCH chroma 0.175

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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