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Buttressed Banafsh

#5b49aa
Notes

Buttressed Banafsh (#5B49AA) is a true indigo 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 (251°, 40%, 48%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#5b49aa
RGB
rgb(91, 73, 170)
HSL
hsl(251, 40%, 48%)
HWB
hwb(251 29% 33%)
OKLCH
oklch(47.6% 0.149 287.9)
HSV
hsv(251, 57%, 67%)
LAB
lab(37.65% 32.51 -49.78)
LCH
lch(37.65% 59.46 303.15)
CMYK
cmyk(46%, 57%, 0%, 33%)

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.

Banafsh
noun

Persian بنفش, violet — the color name in Iranian color tradition for the deep blue-violet of dyed wool used in Qajar-period Persian carpets, named for the banafshe (sweet violet, Viola odorata). Banafsh color refers to a Qajar Persian carpet field: a saturated, slightly cool deep blue-violet with the matte finish of madder-mordanted indigo-overdye on hand-spun wool.

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.

#5b49aa
Original
#0c5bad
Protanopia
#0d56a8
Deuteranopia
#425e72
Tritanopia
#545454
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
7.05:1
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
2.98:1

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