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Macabre Madder

#642231
Notes

Macabre Madder (#642231) 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 (346°, 49%, 26%) 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
#642231
RGB
rgb(100, 34, 49)
HSL
hsl(346, 49%, 26%)
HWB
hwb(346 13% 61%)
OKLCH
oklch(35.6% 0.096 9.5)
P3
color(display-p3 0.3618 0.1504 0.1941)
HSV
hsv(346, 66%, 39%)
LAB
lab(23.92% 31.16 6.12)
LCH
lch(23.92% 31.75 11.12)
CMYK
cmyk(0%, 66%, 51%, 61%)

Etymology

Macabre
adjective

French macabre, possibly from Macabre (the medieval Danse Macabre) or Hebrew meqabber (gravedigger). As a color modifier, macabre implies a deep-and-funereal-and-uncanny quality, the dark cool-gray of medieval-and-Victorian memento-mori iconography. Sits at the deep-and-funereal end of the grid, parallel to funereal with uncanny-and-grotesque overtone.

Madder
noun

Rubia tinctorum, the dyer's madder — the root pigment that fed European red textile production from antiquity until synthetic alizarin replaced it in 1869. Less brilliant than kermes, more lightfast than safflower, madder-dyed wool was the workhorse red of Persian carpets, British redcoats, and Turkish kilim. The color carries that history: a warm, slightly orange red with the matte finish of cloth rather than glaze.

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.

#642231
Original
#303131
Protanopia
#413e2f
Deuteranopia
#6d1928
Tritanopia
#313131
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
11.57:1
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
1.82:1

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
##642231
Display P3
Display P3
color(display-p3 0.3618 0.1504 0.1941)
P3 has subtle headroomOKLCH chroma 0.096

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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