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Heroic Helleborus

#ac56db
Notes

Heroic Helleborus (#AC56DB) is a true indigo with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (279°, 65%, 60%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ac56db
RGB
rgb(172, 86, 219)
HSL
hsl(279, 65%, 60%)
HWB
hwb(279 34% 14%)
OKLCH
oklch(61.4% 0.203 311.7)
HSV
hsv(279, 61%, 86%)
LAB
lab(52.44% 56.85 -53.97)
LCH
lch(52.44% 78.38 316.49)
CMYK
cmyk(21%, 61%, 0%, 14%)

Etymology

Heroic
adjective

Latin hēroicus, of a hero — derived from Greek hērōs. As a color modifier, heroic implies a saturated-and-monumental-and-victorious quality, the deep-rich color of Wagner-and-Sibelius late-Romantic-era musical-and-painterly heroic-mode. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and valiant.

Helleborus
noun

Eurasian Lenten rose (Helleborus orientalis) — an early-spring perennial with deep-violet five-sepalled cup-flowers that bloom against winter snow in mountain gardens from Greece to Turkey. Helleborus color refers to a fully opened Helleborus orientalis cup-flower: a saturated, slightly cool deep violet with the velvet finish of overlapping five-sepalled cup. The plant is poisonous and was used in Greek tragedy to drive Heracles mad.

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.

#ac56db
Original
#2279df
Protanopia
#4b7fd8
Deuteranopia
#a76f91
Tritanopia
#727272
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
4.11:1
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
5.11:1

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