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Sufficiently Macadam

#1f1920
Notes

Sufficiently Macadam (#1F1920) is a deep violet 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 (291°, 12%, 11%) places it in the muted 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
#1f1920
RGB
rgb(31, 25, 32)
HSL
hsl(291, 12%, 11%)
HWB
hwb(291 10% 87%)
OKLCH
oklch(22.4% 0.016 321.5)
P3
color(display-p3 0.1177 0.0989 0.1236)
HSV
hsv(291, 22%, 13%)
LAB
lab(9.73% 4.67 -3.75)
LCH
lch(9.73% 5.99 321.25)
CMYK
cmyk(3%, 22%, 0%, 87%)

Etymology

Sufficiently
adjective

Latin sufficiēns, enough — adverbial-and-adjectival suffix -ly. As a color modifier, sufficiently implies a neutral-and-enough-and-satisfactory quality where the hue carries the visual register of enough-and-satisfactory-and-fitting coordinated color-decision matched to its functional requirement. Sits at the neutral-and-traditional end of the grid, parallel to adequately and appropriately 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.

#1f1920
Original
#181b20
Protanopia
#1a1b20
Deuteranopia
#1f1a1b
Tritanopia
#1b1b1b
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
17.24:1
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
1.22:1

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
##1F1920
Display P3
Display P3
color(display-p3 0.1177 0.0989 0.1236)
Inside sRGBOKLCH chroma 0.016

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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