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Elemental Macadam

#2a0318
Notes

Elemental Macadam (#2A0318) 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°, 87%, 9%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#2a0318
RGB
rgb(42, 3, 24)
HSL
hsl(328, 87%, 9%)
HWB
hwb(328 1% 84%)
OKLCH
oklch(19.3% 0.071 351.6)
P3
color(display-p3 0.1482 0.0213 0.0917)
HSV
hsv(328, 93%, 16%)
LAB
lab(5.63% 21.62 -3.50)
LCH
lch(5.63% 21.91 350.80)
CMYK
cmyk(0%, 93%, 43%, 84%)

Etymology

Elemental
adjective

Latin elementum, element — adjectival suffix -al. As a color modifier, elemental implies a neutral-and-foundational-and-natural-element quality where the hue carries the visual register of earth-and-stone-and-water-and-air foundational-and-elemental natural-mineral-and-pigment surface. Sits at the neutral-and-foundational end of the grid, parallel to foundational and primal in usage.

Macadam
noun

Scottish John Loudon McAdam's 1820s road-paving system — the deep-cool-gray broken-stone compacted road-bed surface of late-Industrial-Revolution Scottish-and-English turnpikes. Macadam color refers to a Glasgow-area macadam-surfaced country-road in November-overcast light: a dark cool-gray with the matte finish of McAdam-system compacted broken-granite-and-bitumen road-bed.

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.

#2a0318
Original
#090e19
Protanopia
#141517
Deuteranopia
#2e010c
Tritanopia
#0d0d0d
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
18.67:1
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
##2A0318
Display P3
Display P3
color(display-p3 0.1482 0.0213 0.0917)
Inside sRGBOKLCH chroma 0.071

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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