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Buttressed Garnet

#b50541
Notes

Buttressed Garnet (#B50541) is a true 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 (340°, 95%, 36%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b50541
RGB
rgb(181, 5, 65)
HSL
hsl(340, 95%, 36%)
HWB
hwb(340 2% 29%)
OKLCH
oklch(49.4% 0.195 12.9)
HSV
hsv(340, 97%, 71%)
LAB
lab(38.41% 63.22 17.97)
LCH
lch(38.41% 65.72 15.87)
CMYK
cmyk(0%, 97%, 64%, 29%)

Etymology

Buttressed
adjective

Old French bouterez, thrusting-mass — past-participle of buttress, derived from bouter (to thrust). As a color modifier, buttressed implies a saturated-and-architecturally-supported quality, the deep-rich color of Gothic-Cathedral flying-buttress-and-rib-vault stone-architecture. Sits at the bold-and-fortified end of the grid, parallel to fortified and reinforced.

Garnet
noun

The name traces to the Latin granatum — pomegranate — for the gem's resemblance to the seeds of that fruit. Bohemian garnets cut for Habsburg jewelers, Mozambican garnets in Edwardian mourning brooches, almandine garnets ground for medieval glasswork. The color is the deepest end of the red family before it crosses into brown: blood-rich, slightly purplish, with the gem's signature internal warmth.

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.

#b50541
Original
#464542
Protanopia
#6f663c
Deuteranopia
#c70026
Tritanopia
#2f2f2f
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
6.86:1
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
3.06:1

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