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Cultured Sweep

#170914
Notes

Cultured Sweep (#170914) is a deep magenta 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 (313°, 44%, 6%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#170914
RGB
rgb(23, 9, 20)
HSL
hsl(313, 44%, 6%)
HWB
hwb(313 4% 91%)
OKLCH
oklch(16.6% 0.032 335.2)
P3
color(display-p3 0.0826 0.0378 0.0762)
HSV
hsv(313, 61%, 9%)
LAB
lab(3.87% 6.98 -3.54)
LCH
lch(3.87% 7.83 333.08)
CMYK
cmyk(0%, 61%, 13%, 91%)

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.

Sweep
noun

Old English swǣpe, one who cleans — the chimneysweep of pre-modern European cities, the Charlie Buchan of Dickens's Great Expectations whose iconic deep-soot-black work-clothes carried the trade. Sweep color refers to a chimneysweep in late-Victorian London on a Saturday-morning round: a saturated, slightly cool deep black with the matte finish of multi-decade soot-and-creosote sediment on coarse-spun woolen fustian work-clothes.

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.

#170914
Original
#090c14
Protanopia
#0d0e14
Deuteranopia
#180a0d
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
19.34:1
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
1.09:1

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
##170914
Display P3
Display P3
color(display-p3 0.0826 0.0378 0.0762)
Inside sRGBOKLCH chroma 0.032

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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