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Bold Concord

#a65bdd
Notes

Bold Concord (#A65BDD) 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 (275°, 66%, 61%) 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
#a65bdd
RGB
rgb(166, 91, 221)
HSL
hsl(275, 66%, 61%)
HWB
hwb(275 36% 13%)
OKLCH
oklch(61.5% 0.196 308.3)
HSV
hsv(275, 59%, 87%)
LAB
lab(52.74% 53.40 -54.67)
LCH
lch(52.74% 76.42 314.33)
CMYK
cmyk(25%, 59%, 0%, 13%)

Etymology

Bold
adjective

Old English beald, brave, courageous — a quality word that crossed over to color in the late seventeenth century. Bold describes a color that asserts itself: high saturation combined with mid lightness, where the hue presents itself without compromise. Sits at the center of the bold-bucket grid, near strong and rich. Closer to a presence word than a pigment word.

Concord
noun

Vitis labrusca, the Concord grape — bred in 1849 by Ephraim Wales Bull in Concord, Massachusetts, and the foundation of American grape juice and the kosher Manischewitz wine industry. The color refers to a ripe Concord grape on the vine: a saturated, slightly red-shifted very deep purple with the heavy bloom of waxy fruit surface. Cooler than wine, warmer than indigo, with the lunchbox-and-Welch's weight of a New England crop that changed an entire continent's beverage culture.

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.

#a65bdd
Original
#277be1
Protanopia
#487fda
Deuteranopia
#9e7493
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
4.07:1
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
5.16:1

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