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Soft Overcast

#181d27
Notes

Soft Overcast (#181D27) is a deep azure 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 (220°, 24%, 12%) places it in the muted 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
#181d27
RGB
rgb(24, 29, 39)
HSL
hsl(220, 24%, 12%)
HWB
hwb(220 9% 85%)
OKLCH
oklch(23.0% 0.021 264.0)
P3
color(display-p3 0.0979 0.1131 0.1496)
HSV
hsv(220, 38%, 15%)
LAB
lab(10.70% 0.76 -7.53)
LCH
lch(10.70% 7.57 275.78)
CMYK
cmyk(38%, 26%, 0%, 85%)

Etymology

Soft
adjective

Old English sōfte, gentle — used as a color modifier since the medieval period for hues that read as low-contrast and unaggressive. Soft pink, soft gray: low saturation combined with optical gentleness. Sits across the hushed and pale buckets alongside gentle.

Overcast
noun

Old English ofer-cæst, thrown-over — the deep-gray atmospheric condition when the sky is fully covered by stratiform cloud. Overcast color refers to a fully stratus-covered eastern coast of England in mid-November under low-pressure: a dark cool-gray with the optical complexity of stratus-and-stratocumulus cloud-covered sky-light filtered through North-Atlantic atmospheric humidity.

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.

#181d27
Original
#1a1e27
Protanopia
#181c27
Deuteranopia
#141f20
Tritanopia
#1d1d1d
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
16.88:1
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
1.24:1

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
##181D27
Display P3
Display P3
color(display-p3 0.0979 0.1131 0.1496)
Inside sRGBOKLCH chroma 0.021

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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