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Softening Wisteria

#645970
Notes

Softening Wisteria (#645970) 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 (269°, 11%, 39%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#645970
RGB
rgb(100, 89, 112)
HSL
hsl(269, 11%, 39%)
HWB
hwb(269 35% 56%)
OKLCH
oklch(48.3% 0.039 306.6)
P3
color(display-p3 0.3849 0.3506 0.4327)
HSV
hsv(269, 21%, 44%)
LAB
lab(39.62% 9.35 -11.45)
LCH
lch(39.62% 14.78 309.24)
CMYK
cmyk(11%, 21%, 0%, 56%)

Etymology

Softening
adjective

Old English sōfte, soft — present-participle of soften. As a color modifier, softening implies a hushed-and-tone-reducing-and-easing quality where the hue carries the visual register of gradually-edge-eased-and-tone-modulated softened-color treatment. Sits at the hushed-and-soft end of the grid, parallel to muting and quieting in usage.

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.

#645970
Original
#555d71
Protanopia
#575d6f
Deuteranopia
#625c61
Tritanopia
#5d5d5d
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
6.55:1
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
3.20:1

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
##645970
Display P3
Display P3
color(display-p3 0.3849 0.3506 0.4327)
Inside sRGBOKLCH chroma 0.039

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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