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Pastoral Cobblestone

#180c25
Notes

Pastoral Cobblestone (#180C25) is a deep indigo 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 (269°, 51%, 10%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#180c25
RGB
rgb(24, 12, 37)
HSL
hsl(269, 51%, 10%)
HWB
hwb(269 5% 85%)
OKLCH
oklch(18.6% 0.051 304.1)
P3
color(display-p3 0.0873 0.0491 0.1394)
HSV
hsv(269, 68%, 15%)
LAB
lab(5.34% 11.49 -14.35)
LCH
lch(5.34% 18.38 308.70)
CMYK
cmyk(35%, 68%, 0%, 85%)

Etymology

Pastoral
adjective

Latin pāstōrālis, of-shepherds — adjectival suffix -al. As a color modifier, pastoral implies a neutral-and-shepherding-and-rural quality, the neutral color of Beethoven-Pastoral-Symphony and Constable-Stour-Valley-painting idyllic-rural-shepherding pastoral-mood color treatment. Sits at the neutral-and-traditional end of the grid, parallel to country and rural in usage.

Cobblestone
noun

Old English cobel, rounded river-stone — the iconic dark-gray paving stone of medieval-and-early-modern European cities, particularly the Rome and Edinburgh historic-center streets. Cobblestone color refers to a Roma centro storico sampietrini cobblestone pavement-section in raking sun: a dark cool-gray with the matte finish of basalt-and-leucitite volcanic-rock cobblestones polished by centuries of vespa-tire wear.

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.

#180c25
Original
#051126
Protanopia
#081224
Deuteranopia
#161116
Tritanopia
#101010
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
18.78:1
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
1.12:1

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
##180C25
Display P3
Display P3
color(display-p3 0.0873 0.0491 0.1394)
Inside sRGBOKLCH chroma 0.051

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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