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Towering Cochineal

#3b1811
Notes

Towering Cochineal (#3B1811) 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 (10°, 55%, 15%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3b1811
RGB
rgb(59, 24, 17)
HSL
hsl(10, 55%, 15%)
HWB
hwb(10 7% 77%)
OKLCH
oklch(26.0% 0.057 32.7)
P3
color(display-p3 0.2139 0.1017 0.0745)
HSV
hsv(10, 71%, 23%)
LAB
lab(13.37% 16.56 12.67)
LCH
lch(13.37% 20.85 37.43)
CMYK
cmyk(0%, 59%, 71%, 77%)

Etymology

Towering
adjective

Old French tour, tower via Latin turris — present-participle of tower. As a color modifier, towering implies a deep-and-vertical-and-architectural quality, the dark cool-gray of Salisbury-Cathedral-and-Chartres-Cathedral spire-and-tower against the sky. Sits at the deep-and-architectural end of the grid, parallel to imposing and looming.

Cochineal
noun

Dactylopius coccus, the Mexican scale insect cultivated on prickly-pear cactus and harvested for its deep red carminic-acid dye. Shipped to Spain by the conquistadors, cochineal became the second most valuable export from the New World after silver. The color refers to fresh cochineal pigment: a saturated, slightly cool deep red with the brilliance of a dye thirty times stronger than kermes.

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.

#3b1811
Original
#211e10
Protanopia
#292510
Deuteranopia
#411216
Tritanopia
#1f1f1f
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
15.85:1
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
1.32:1

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
##3B1811
Display P3
Display P3
color(display-p3 0.2139 0.1017 0.0745)
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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