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Handcrafted Tarmac

#170733
Notes

Handcrafted Tarmac (#170733) 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 (262°, 76%, 11%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#170733
RGB
rgb(23, 7, 51)
HSL
hsl(262, 76%, 11%)
HWB
hwb(262 3% 80%)
OKLCH
oklch(18.8% 0.081 294.0)
HSV
hsv(262, 86%, 20%)
LAB
lab(5.18% 19.25 -25.13)
LCH
lch(5.18% 31.65 307.45)
CMYK
cmyk(55%, 86%, 0%, 80%)

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.

Tarmac
noun

A specific type of asphalt paving — tar macadam, named for John Loudon McAdam's 1820s road technique combined with tar binder. Tarmac in British English now means airfield runway generally. The color refers to a fresh runway surface: a soft, slightly muted dark gray with the matte finish of stone-and-bitumen paving. Lighter than asphalt, warmer than slate, with the aviation-and-road weight of an infrastructure word that traveled across the Atlantic.

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

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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.

#170733
Original
#001234
Protanopia
#001132
Deuteranopia
#0f121c
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
18.84:1
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

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