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Appropriately Asphalt

#0f102d
Notes

Appropriately Asphalt (#0F102D) is a deep blue with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (238°, 50%, 12%) 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
#0f102d
RGB
rgb(15, 16, 45)
HSL
hsl(238, 50%, 12%)
HWB
hwb(238 6% 82%)
OKLCH
oklch(19.2% 0.057 278.1)
P3
color(display-p3 0.0595 0.0626 0.1694)
HSV
hsv(238, 67%, 18%)
LAB
lab(5.98% 9.30 -19.44)
LCH
lch(5.98% 21.55 295.56)
CMYK
cmyk(67%, 64%, 0%, 82%)

Etymology

Appropriately
adjective

Latin appropriātus, made-one's-own — adverbial-and-adjectival suffix -ly. As a color modifier, appropriately implies a neutral-and-fitting-and-context-aware quality where the hue carries the visual register of context-fitting-and-conventional color-decision matched to its setting. Sits at the neutral-and-traditional end of the grid, parallel to properly and suitably in usage.

Asphalt
noun

Bitumen mixed with crushed stone aggregate — the dominant paving surface of every road network from the late nineteenth century forward. The color refers to a fresh asphalt road on a sunny day: a soft, slightly muted dark gray with the matte finish of stone-and-tar surface. Warmer than slate, cooler than tarmac (its lighter cousin), with the infrastructural weight of a material that paves more square kilometers than any other pavement type.

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.

#0f102d
Original
#03142e
Protanopia
#01122c
Deuteranopia
#03171c
Tritanopia
#121212
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
18.55:1
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
##0F102D
Display P3
Display P3
color(display-p3 0.0595 0.0626 0.1694)
Inside sRGBOKLCH chroma 0.057

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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