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Handmade Lampblack

#170822
Notes

Handmade Lampblack (#170822) 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 (275°, 62%, 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#170822
RGB
rgb(23, 8, 34)
HSL
hsl(275, 62%, 8%)
HWB
hwb(275 3% 87%)
OKLCH
oklch(17.4% 0.054 308.5)
P3
color(display-p3 0.0822 0.0340 0.1278)
HSV
hsv(275, 76%, 13%)
LAB
lab(4.26% 11.51 -13.71)
LCH
lch(4.26% 17.90 310.01)
CMYK
cmyk(32%, 76%, 0%, 87%)

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.

Lampblack
noun

Carbon black pigment produced by the incomplete-combustion of oils-and-resins on a cooled-glass collector — the pigment of Chinese ink, Japanese sumi ink, and India ink. Lampblack color refers to a freshly ground lampblack-and-glue ink-stick rubbed on a Japanese suzuri ink-stone: a saturated, slightly cool deep black with the matte finish of pure-carbon pigment on absorbent hand-finished Japanese washi paper.

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.

#170822
Original
#020e23
Protanopia
#050f21
Deuteranopia
#150d13
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
19.19:1
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
##170822
Display P3
Display P3
color(display-p3 0.0822 0.0340 0.1278)
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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