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Rural Volcano

#1d0a17
Notes

Rural Volcano (#1D0A17) is a deep magenta 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 (319°, 49%, 8%) 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
#1d0a17
RGB
rgb(29, 10, 23)
HSL
hsl(319, 49%, 8%)
HWB
hwb(319 4% 89%)
OKLCH
oklch(18.1% 0.040 340.5)
P3
color(display-p3 0.1039 0.0431 0.0878)
HSV
hsv(319, 66%, 11%)
LAB
lab(4.88% 10.51 -4.09)
LCH
lch(4.88% 11.27 338.73)
CMYK
cmyk(0%, 66%, 21%, 89%)

Etymology

Rural
adjective

Latin rūrālis, of-the-countryside — adjectival suffix -al. As a color modifier, rural implies a neutral-and-country-and-traditional quality, the neutral color of American-and-English-Country rural-and-traditional farmhouse-and-cottage interior-decoration-and-textile surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to country and pastoral in usage.

Volcano
noun

A geological vent through which magma reaches the surface — the eruptive structures of the Pacific Ring of Fire, the Hawaiian shields, the European stratovolcanoes from Vesuvius to Hekla. The color refers to fresh volcanic ash on a recently active flank: a deep, slightly muted dark gray with the matte finish of pulverized basaltic glass. Warmer than basalt, drier than asphalt, with the geological weight of a process that builds continents and resurfaces seafloors.

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.

#1d0a17
Original
#0b0f17
Protanopia
#101216
Deuteranopia
#1f0a0f
Tritanopia
#0f0f0f
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
18.95:1
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
1.11:1

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
##1D0A17
Display P3
Display P3
color(display-p3 0.1039 0.0431 0.0878)
Inside sRGBOKLCH chroma 0.040

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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