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Handcrafted Piombo

#0a102b
Notes

Handcrafted Piombo (#0A102B) 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 (229°, 62%, 10%) 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
#0a102b
RGB
rgb(10, 16, 43)
HSL
hsl(229, 62%, 10%)
HWB
hwb(229 4% 83%)
OKLCH
oklch(18.6% 0.055 270.7)
P3
color(display-p3 0.0440 0.0621 0.1618)
HSV
hsv(229, 77%, 17%)
LAB
lab(5.51% 6.84 -18.71)
LCH
lch(5.51% 19.92 290.09)
CMYK
cmyk(77%, 63%, 0%, 83%)

Etymology

Handcrafted
adjective

English compound hand + past-participle crafted. As a color modifier, handcrafted implies a neutral-and-hand-built-and-skilled quality, the neutral color of Mingei-Japanese and American-Craftsman-and-Arts-and-Crafts hand-built-and-quality-craft furniture-and-pottery surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to crafted and artisanal in usage.

Piombo
noun

Italian piombo, lead — adopted into Italian color terminology for the deep-lead-gray of Renaissance lead-glass leaded-light cathedrals and piombatura lead-roof flashing. Piombo color refers to a Florentine-cathedral piombatura lead-roof flashing in raking light: a dark cool-gray with the matte finish of lead-and-tin foundry residue on hand-cast Tuscan lead-flashing.

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.

#0a102b
Original
#03142c
Protanopia
#00112a
Deuteranopia
#00161b
Tritanopia
#111111
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
18.72:1
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
##0A102B
Display P3
Display P3
color(display-p3 0.0440 0.0621 0.1618)
Inside sRGBOKLCH chroma 0.055

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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