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Crepuscular Espresso

#4d2e18
Notes

Crepuscular Espresso (#4D2E18) is a deep orange 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 (25°, 52%, 20%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4d2e18
RGB
rgb(77, 46, 24)
HSL
hsl(25, 52%, 20%)
HWB
hwb(25 9% 70%)
OKLCH
oklch(33.4% 0.057 54.8)
P3
color(display-p3 0.2847 0.1859 0.1095)
HSV
hsv(25, 69%, 30%)
LAB
lab(22.30% 11.74 19.88)
LCH
lch(22.30% 23.09 59.44)
CMYK
cmyk(0%, 40%, 69%, 70%)

Etymology

Crepuscular
adjective

Latin crepusculāris, of twilight — derived from crepusculum (twilight). As a color modifier, crepuscular implies the deep blue-violet darkness of civil-twilight period between sunset and nightfall. Sits at the deep-and-cool end of the grid, where the hue carries the Belt of Venus atmospheric-scattering quality of clear-sky horizon at dusk.

Espresso
noun

The concentrated coffee shot extracted under pressure — Italian café standard since the late nineteenth century, with the dark roast that distinguishes it from filter coffee. The color refers to a fresh-pulled espresso in a white cup: a deep, slightly red-shifted near-black with the slight crema of suspended oils on the surface. Warmer than coal, glossier than mascara, with the café weight of a beverage measured in twenty-five-milliliter shots.

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.

#4d2e18
Original
#373116
Protanopia
#3e3818
Deuteranopia
#542829
Tritanopia
#333333
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
12.21:1
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
1.72:1

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
##4D2E18
Display P3
Display P3
color(display-p3 0.2847 0.1859 0.1095)
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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