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Balanced Eupatorium

#555681
Notes

Balanced Eupatorium (#555681) 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 (239°, 21%, 42%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#555681
RGB
rgb(85, 86, 129)
HSL
hsl(239, 21%, 42%)
HWB
hwb(239 33% 49%)
OKLCH
oklch(47.1% 0.069 282.4)
P3
color(display-p3 0.3340 0.3371 0.4936)
HSV
hsv(239, 34%, 51%)
LAB
lab(38.15% 10.52 -24.26)
LCH
lch(38.15% 26.44 293.45)
CMYK
cmyk(34%, 33%, 0%, 49%)

Etymology

Balanced
adjective

The past participle of balance, to weigh evenly. Used as a color modifier since the eighteenth century for hues that read as neither overcommitted nor restrained. Balanced sage, balanced taupe: moderate saturation combined with optical equilibrium. Sits at the crisp-bucket center alongside even.

Eupatorium
noun

North American native Joe-Pye Weed (Eupatorium purpureum) — a six-foot-tall prairie perennial with terminal corymbs of dusty mauve-violet disk-flowers attractive to Monarchs in their fall migration. Eupatorium color refers to a fully bloomed Joe-Pye Weed corymb: a saturated, slightly cool deep blue-violet with the velvet finish of dense disk-flower clusters. Named for Mithridates Eupator, the herbal-medicine king of Pontus.

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.

#555681
Original
#495b83
Protanopia
#475880
Deuteranopia
#4a5e65
Tritanopia
#595959
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
6.92:1
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
3.03:1

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
##555681
Display P3
Display P3
color(display-p3 0.3340 0.3371 0.4936)
Inside sRGBOKLCH chroma 0.069

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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