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Soft Plomo

#280710
Notes

Soft Plomo (#280710) is a deep red 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 (344°, 70%, 9%) 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
#280710
RGB
rgb(40, 7, 16)
HSL
hsl(344, 70%, 9%)
HWB
hwb(344 3% 84%)
OKLCH
oklch(19.3% 0.056 7.1)
P3
color(display-p3 0.1420 0.0356 0.0632)
HSV
hsv(344, 83%, 16%)
LAB
lab(5.79% 17.26 1.98)
LCH
lch(5.79% 17.37 6.56)
CMYK
cmyk(0%, 83%, 60%, 84%)

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.

Plomo
noun

Spanish plomo, lead — adopted into Spanish color terminology for the deep-lead-gray of Madrileño foundry-cast metallurgical lead. Plomo color refers to a Toledo-foundry freshly cast lead ingot in raking light: a dark cool-gray with the matte finish of lead-and-iron-mordant foundry-residue on hand-cast Spanish-Toledo-period lead.

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.

#280710
Original
#0e0f10
Protanopia
#17150f
Deuteranopia
#2c040a
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
18.62:1
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
##280710
Display P3
Display P3
color(display-p3 0.1420 0.0356 0.0632)
Inside sRGBOKLCH chroma 0.056

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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