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Bespoke Tetsu

#1f081e
Notes

Bespoke Tetsu (#1F081E) is a deep violet with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (303°, 59%, 8%) 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
#1f081e
RGB
rgb(31, 8, 30)
HSL
hsl(303, 59%, 8%)
HWB
hwb(303 3% 88%)
OKLCH
oklch(18.4% 0.054 329.2)
P3
color(display-p3 0.1103 0.0362 0.1134)
HSV
hsv(303, 74%, 12%)
LAB
lab(5.05% 14.52 -9.30)
LCH
lch(5.05% 17.24 327.37)
CMYK
cmyk(0%, 74%, 3%, 88%)

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.

Tetsu
noun

Japanese 鉄, iron — adopted into Japanese color terminology as the deep iron-gray of tetsubin cast-iron tea-kettles and tatara-furnace pig-iron. Tetsu color refers to a freshly tetsubin-cast iron tea-kettle exterior in raking light: a dark cool-gray with the matte finish of cast-iron-and-iron-tannin patina on hand-cast Nambu-tekki iron-ware.

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.

#1f081e
Original
#070f1f
Protanopia
#0d121d
Deuteranopia
#200a11
Tritanopia
#0e0e0e
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
18.89:1
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
1.11:1

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
##1F081E
Display P3
Display P3
color(display-p3 0.1103 0.0362 0.1134)
Inside sRGBOKLCH chroma 0.054

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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