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Bespoke Ardoise

#251b15
Notes

Bespoke Ardoise (#251B15) is a deep orange 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 (22°, 28%, 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#251b15
RGB
rgb(37, 27, 21)
HSL
hsl(22, 28%, 11%)
HWB
hwb(22 8% 85%)
OKLCH
oklch(23.2% 0.019 52.4)
P3
color(display-p3 0.1389 0.1074 0.0856)
HSV
hsv(22, 43%, 15%)
LAB
lab(10.79% 3.81 6.02)
LCH
lch(10.79% 7.13 57.66)
CMYK
cmyk(0%, 27%, 43%, 85%)

Etymology

Bespoke
adjective

Old English be- (about) plus sprecan (to speak) — past-participle of bespeak. As a color modifier, bespoke implies a neutral-and-custom-made-and-tailored quality, the neutral color of Savile-Row-tailoring custom-made-and-hand-tailored gentleman's-suit-and-shirtmaking craft-finish. Sits at the neutral-and-traditional end of the grid, parallel to custom and tailored in usage.

Ardoise
noun

French ardoise, slate — particularly the deep-blue-gray ardoise d'Anjou slate quarried from the Maine-et-Loire and Mayenne slate-belt for Loire-Valley château-roofs. Ardoise color refers to a Château de Chambord ardoise d'Anjou roof-tile face in raking sun: a dark blue-gray with the matte finish of metamorphic Carboniferous slate-shale on a hand-quarried 16th-century roofing tile.

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.

#251b15
Original
#1e1c15
Protanopia
#201e15
Deuteranopia
#281919
Tritanopia
#1d1d1d
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
16.85:1
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
1.25:1

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
##251B15
Display P3
Display P3
color(display-p3 0.1389 0.1074 0.0856)
Inside sRGBOKLCH chroma 0.019

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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