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Smoky Iron

#1f0b0e
Notes

Smoky Iron (#1F0B0E) is a deep red 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 (351°, 48%, 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1f0b0e
RGB
rgb(31, 11, 14)
HSL
hsl(351, 48%, 8%)
HWB
hwb(351 4% 88%)
OKLCH
oklch(18.2% 0.035 11.6)
P3
color(display-p3 0.1113 0.0472 0.0558)
HSV
hsv(351, 65%, 12%)
LAB
lab(5.08% 9.40 1.84)
LCH
lch(5.08% 9.58 11.08)
CMYK
cmyk(0%, 65%, 55%, 88%)

Etymology

Smoky
adjective

An adjectival form of smoke, used as a color word since at least the fourteenth century. Smoky implies a slightly muted, slightly hazed quality — as if the color were seen through a layer of suspended particulate. Used across both deep and neutral buckets: a smoky black has slightly less density than pure black; a smoky gray has slightly less coolness than pure gray.

Iron
noun

Element Fe, atomic number 26 — the most-used metal in human civilization, smelted into structural and edged tools since the Iron Age. Iron gray refers to the slightly muted blue-gray of oxidized cast or wrought iron: a soft, slightly muted gray with the slight metallic finish of a slowly weathering surface. Cooler than graphite, warmer than steel, with the industrial weight of an element that names a millennium of metallurgy.

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.

#1f0b0e
Original
#0f0f0e
Protanopia
#14130e
Deuteranopia
#22090c
Tritanopia
#0f0f0f
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
18.88:1
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
1.11:1

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
##1F0B0E
Display P3
Display P3
color(display-p3 0.1113 0.0472 0.0558)
Inside sRGBOKLCH chroma 0.035

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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