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Rich Pompeii

#931c5b
Notes

Rich Pompeii (#931C5B) is a deep magenta 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 (328°, 68%, 34%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#931c5b
RGB
rgb(147, 28, 91)
HSL
hsl(328, 68%, 34%)
HWB
hwb(328 11% 42%)
OKLCH
oklch(44.9% 0.163 354.0)
P3
color(display-p3 0.5292 0.1556 0.3510)
HSV
hsv(328, 81%, 58%)
LAB
lab(33.54% 52.61 -6.71)
LCH
lch(33.54% 53.04 352.73)
CMYK
cmyk(0%, 81%, 38%, 42%)

Etymology

Rich
adjective

Old French riche, wealthy, abundant — applied to color since the medieval period for hues that read as plentiful in pigment. Rich red, rich brown: the implication is depth combined with saturation, a color that gives the eye more to absorb. Sits at the saturated mid-light corner of the engine's grid, slightly warmer than bold and deeper than vivid.

Pompeii
noun

The Roman city buried by Vesuvius's 79 CE eruption — and the deep saturated red used on the wall frescoes preserved by the ash, named Pompeian Red for the place. The color refers to the Villa of the Mysteries fresco background: a saturated, slightly cool deep red with the matte finish of cinnabar-and-iron-oxide pigment in lime plaster. Deeper than crimson, cooler than vermillion.

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.

#931c5b
Original
#35415d
Protanopia
#565758
Deuteranopia
#9f0b39
Tritanopia
#3a3a3a
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
8.21:1
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
2.56:1

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
##931C5B
Display P3
Display P3
color(display-p3 0.5292 0.1556 0.3510)
P3 has subtle headroomOKLCH chroma 0.163

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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