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Functional Lavanda

#6658a5
Notes

Functional Lavanda (#6658A5) 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 (251°, 30%, 50%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#6658a5
RGB
rgb(102, 88, 165)
HSL
hsl(251, 30%, 50%)
HWB
hwb(251 35% 35%)
OKLCH
oklch(51.0% 0.119 289.9)
P3
color(display-p3 0.3909 0.3471 0.6278)
HSV
hsv(251, 47%, 65%)
LAB
lab(42.03% 24.55 -39.73)
LCH
lch(42.03% 46.70 301.71)
CMYK
cmyk(38%, 47%, 0%, 35%)

Etymology

Functional
adjective

Latin fūnctiō, performance — adjectival suffix -al. As a color modifier, functional implies a clear-and-purpose-fit-and-utilitarian quality, the crisp color of Mid-Century-Modern and Bauhaus form-follows-function design-aesthetic. Sits at the crisp-and-functional end of the grid, parallel to practical and utilitarian in usage.

Lavanda
noun

Italian and Spanish for lavender (Lavandula angustifolia) — derived from Latin lavare, to wash, after the Roman use of lavender in bathwater. Lavanda color refers to a freshly cut Provençal lavanda sprig: a saturated, slightly cool deep blue-violet with the matte finish of essential-oil-rich lavender bracts. Cooler than English lavender, which trends paler and grayer.

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.

#6658a5
Original
#3c65a8
Protanopia
#3d61a3
Deuteranopia
#566776
Tritanopia
#616161
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
5.99:1
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
3.50:1

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
##6658A5
Display P3
Display P3
color(display-p3 0.3909 0.3471 0.6278)
P3 has subtle headroomOKLCH chroma 0.119

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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