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Cultured Antracita

#0a0f2d
Notes

Cultured Antracita (#0A0F2D) is a deep blue 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 (231°, 64%, 11%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#0a0f2d
RGB
rgb(10, 15, 45)
HSL
hsl(231, 64%, 11%)
HWB
hwb(231 4% 82%)
OKLCH
oklch(18.5% 0.060 272.0)
P3
color(display-p3 0.0431 0.0582 0.1691)
HSV
hsv(231, 78%, 18%)
LAB
lab(5.38% 8.33 -20.41)
LCH
lch(5.38% 22.04 292.21)
CMYK
cmyk(78%, 67%, 0%, 82%)

Etymology

Cultured
adjective

Latin cultūra, cultivation — past-participle of culture. As a color modifier, cultured implies a neutral-and-cultivated-and-educated quality, the neutral color of Edwardian-and-Belle-Époque cultivated-and-educated-and-refined elegant-and-cultivated interior-decoration-and-dress-attire coordinated-color tone. Sits at the neutral-and-cultivated end of the grid, parallel to refined and polished in usage.

Antracita
noun

Spanish antracita, anthracite — adopted into Spanish color terminology for the deep-glossy-black-gray of Asturian-and-Riotinto anthracite-coal seams. Antracita color refers to a freshly cleaved Asturian anthracite-coal block face in raking light: a dark cool-gray with the metallic finish of high-carbon anthracite-coal cleavage. Slightly cooler than English anthracite.

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.

#0a0f2d
Original
#00132e
Protanopia
#00102c
Deuteranopia
#00161c
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
18.76:1
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
##0A0F2D
Display P3
Display P3
color(display-p3 0.0431 0.0582 0.1691)
Inside sRGBOKLCH chroma 0.060

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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