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Dressed Anthracite

#170015
Notes

Dressed Anthracite (#170015) is a deep violet 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 (305°, 100%, 5%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#170015
RGB
rgb(23, 0, 21)
HSL
hsl(305, 100%, 5%)
HWB
hwb(305 0% 91%)
OKLCH
oklch(14.2% 0.064 331.6)
P3
color(display-p3 0.0788 0.0037 0.0783)
HSV
hsv(305, 100%, 9%)
LAB
lab(2.13% 10.82 -6.75)
LCH
lch(2.13% 12.75 328.04)
CMYK
cmyk(0%, 100%, 9%, 91%)

Etymology

Dressed
adjective

Old French dresser, to arrange — past-participle of dress. As a color modifier, dressed implies a neutral-and-arranged-and-formal quality, the neutral color of Edwardian-period full-formal-and-evening-wear arranged-and-coordinated dress-attire-and-uniform craft-finish. Sits at the neutral-and-traditional end of the grid, parallel to suited and tailored in usage.

Anthracite
noun

The highest rank of coal — over ninety-two percent fixed carbon, with low volatile content and a near-metallic luster. Mined principally in northeastern Pennsylvania and rarely elsewhere. The color refers to a clean anthracite face: a deep, slightly muted black with the slight blue-purple metallic luster of high-rank coal. Cooler than coal, deeper than graphite, with the industrial weight of the fuel that heated New York and Philadelphia through the early twentieth century.

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.

#170015
Original
#000616
Protanopia
#050914
Deuteranopia
#180108
Tritanopia
#060606
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
20.05:1
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
1.05:1

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
##170015
Display P3
Display P3
color(display-p3 0.0788 0.0037 0.0783)
Inside sRGBOKLCH chroma 0.064

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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