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Even Wisteria

#666d8d
Notes

Even Wisteria (#666D8D) is a true blue 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 (229°, 16%, 48%) places it in the muted 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#666d8d
RGB
rgb(102, 109, 141)
HSL
hsl(229, 16%, 48%)
HWB
hwb(229 40% 45%)
OKLCH
oklch(54.1% 0.051 275.0)
P3
color(display-p3 0.4050 0.4266 0.5428)
HSV
hsv(229, 28%, 55%)
LAB
lab(46.56% 5.01 -18.40)
LCH
lch(46.56% 19.07 285.24)
CMYK
cmyk(28%, 23%, 0%, 45%)

Etymology

Even
adjective

Old English efen, flat, equal — used as a color modifier since the medieval period for hues that read as uniformly distributed across a surface. Even gray, even tan: the implication is moderate saturation combined with optical uniformity. Sits at the crisp-bucket center alongside steady and balanced.

Wisteria
noun

The genus Wisteria, the climbing legume vines of East Asia — W. sinensis (Chinese) and W. floribunda (Japanese) — whose pendulous racemes of pale blue-violet flowers drape ten meters of pergola in late spring. The color refers to a fresh wisteria flower cluster: a soft, slightly violet-shifted pale blue with the matte finish of pea-family florets. Lighter than lilac, cooler than periwinkle, with the architectural weight of a vine that ages into structure.

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

Click any swatch to explore

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.

#666d8d
Original
#64708e
Protanopia
#616d8c
Deuteranopia
#5c7378
Tritanopia
#6e6e6e
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
5.08:1
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
4.14:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##666D8D
Display P3
Display P3
color(display-p3 0.4050 0.4266 0.5428)
Inside sRGBOKLCH chroma 0.051

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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