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Bastioned Malbec

#891f09
Notes

Bastioned Malbec (#891F09) 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 (10°, 88%, 29%) places it in the highly saturated band at a dark 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
#891f09
RGB
rgb(137, 31, 9)
HSL
hsl(10, 88%, 29%)
HWB
hwb(10 4% 46%)
OKLCH
oklch(41.5% 0.145 33.0)
P3
color(display-p3 0.4936 0.1582 0.0843)
HSV
hsv(10, 93%, 54%)
LAB
lab(30.21% 43.44 39.11)
LCH
lch(30.21% 58.45 42.00)
CMYK
cmyk(0%, 77%, 93%, 46%)

Etymology

Bastioned
adjective

Italian bastionato, fortified-with-bastions — past-participle of bastion, derived from bastia (fortified-tower). As a color modifier, bastioned implies a saturated-and-fortified-and-projecting quality, the deep-rich color of Vauban-period military-fortress star-fort projecting-bastion stone-architecture. Sits at the bold-and-fortified end of the grid, parallel to fortified and buttressed.

Malbec
noun

A red-wine grape originally from Cahors in southwest France, now most associated with Argentine Mendoza wine regions. The color refers to a young Argentine Malbec: a deep, slightly cool dark red with the high tannin opacity of high-altitude grape wine. Deeper than Tempranillo, cooler than Rioja.

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.

#891f09
Original
#403804
Protanopia
#5a5001
Deuteranopia
#98001c
Tritanopia
#343434
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
9.28:1
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
2.26:1

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
##891F09
Display P3
Display P3
color(display-p3 0.4936 0.1582 0.0843)
P3 has subtle headroomOKLCH chroma 0.145

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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