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Handmade Slate

#12093a
Notes

Handmade Slate (#12093A) is a deep indigo 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 (251°, 73%, 13%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#12093a
RGB
rgb(18, 9, 58)
HSL
hsl(251, 73%, 13%)
HWB
hwb(251 4% 77%)
OKLCH
oklch(19.4% 0.088 282.8)
P3
color(display-p3 0.0653 0.0367 0.2175)
HSV
hsv(251, 84%, 23%)
LAB
lab(5.69% 19.99 -29.46)
LCH
lch(5.69% 35.60 304.16)
CMYK
cmyk(69%, 84%, 0%, 77%)

Etymology

Handmade
adjective

English compound hand + past-participle made — sharing root with make. As a color modifier, handmade implies a neutral-and-hand-built-and-craft quality, the neutral color of Mingei-Japanese-and-Shaker-and-Wedgwood hand-built-and-craft-tradition pottery-and-textile-and-furniture surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to handcrafted and artisanal in usage.

Slate
noun

A fine-grained metamorphic rock formed from compressed shale — fissile, durable, and the standard roofing material for Welsh and Vermont houses since the nineteenth century. The color refers to a freshly split piece of Welsh slate: a soft, slightly muted gray-blue with the matte finish of a layered mineral cleavage. Cooler than steel, lighter than navy, with the architectural weight of a roof material that lasts a hundred years.

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.

#12093a
Original
#00143b
Protanopia
#001139
Deuteranopia
#001720
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
18.65:1
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
1.13:1

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
##12093A
Display P3
Display P3
color(display-p3 0.0653 0.0367 0.2175)
P3 has subtle headroomOKLCH chroma 0.088

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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