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Buttressed Fittonia

#c357b0
Notes

Buttressed Fittonia (#C357B0) is a true magenta with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (311°, 47%, 55%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#c357b0
RGB
rgb(195, 87, 176)
HSL
hsl(311, 47%, 55%)
HWB
hwb(311 34% 24%)
OKLCH
oklch(62.2% 0.174 334.7)
HSV
hsv(311, 55%, 76%)
LAB
lab(53.55% 54.27 -27.33)
LCH
lch(53.55% 60.76 333.27)
CMYK
cmyk(0%, 55%, 10%, 24%)

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.

Fittonia
noun

South American nerve plant (Fittonia albivenis) — an Acanthaceae understory creeper native to the Peruvian Amazon whose deep-magenta-veined silver-green foliage is cultivated worldwide as a terrarium plant. Fittonia color refers to a Fittonia albivenis leaf upper-surface in raking light: a saturated, slightly cool deep magenta with the velvet finish of anthocyanin-pigmented vein network against a pale silver-green leaf-tissue background.

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.

#c357b0
Original
#5776b3
Protanopia
#7786ad
Deuteranopia
#cb5d7c
Tritanopia
#747474
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).
AA Largeon White
3.95:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.31:1

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