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Buttressed Carnation

#b33f2b
Notes

Buttressed Carnation (#B33F2B) 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 (9°, 61%, 44%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#b33f2b
RGB
rgb(179, 63, 43)
HSL
hsl(9, 61%, 44%)
HWB
hwb(9 17% 30%)
OKLCH
oklch(52.8% 0.155 32.1)
HSV
hsv(9, 76%, 70%)
LAB
lab(43.24% 46.01 37.00)
LCH
lch(43.24% 59.05 38.81)
CMYK
cmyk(0%, 65%, 76%, 30%)

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.

Carnation
noun

Dianthus caryophyllus, the cultivated flower of European bouquets and corsages — bred over centuries from the wild Dianthus. The color refers to a deep red carnation in a florist's display: a saturated, slightly cool deep red with the satin finish of fringed petal edges. Deeper than coral, lighter than burgundy.

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

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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.

#b33f2b
Original
#605628
Protanopia
#7c7027
Deuteranopia
#c5203b
Tritanopia
#565656
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
5.73:1
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
3.66:1

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