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Sinewy Cochineal

#ba180c
Notes

Sinewy Cochineal (#BA180C) is a true red with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (4°, 88%, 39%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#ba180c
RGB
rgb(186, 24, 12)
HSL
hsl(4, 88%, 39%)
HWB
hwb(4 5% 27%)
OKLCH
oklch(50.4% 0.195 29.8)
HSV
hsv(4, 94%, 73%)
LAB
lab(39.79% 60.10 49.24)
LCH
lch(39.79% 77.70 39.33)
CMYK
cmyk(0%, 87%, 94%, 27%)

Etymology

Sinewy
adjective

Old English sinu, sinew — adjectival suffix -y. As a color modifier, sinewy implies a saturated-and-muscular-and-firm quality where the hue carries the lean-and-strong visual presence of a Roman-statue athletic figure. Sits at the bold-and-firm end of the grid, parallel to stalwart and rugged in usage.

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.

#ba180c
Original
#524705
Protanopia
#786a00
Deuteranopia
#ce0019
Tritanopia
#3a3a3a
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).
AAon White
6.51:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.22:1

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