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Pithed Kalmia

#3f3b5b
Notes

Pithed Kalmia (#3F3B5B) is a deep 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 (248°, 21%, 29%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#3f3b5b
RGB
rgb(63, 59, 91)
HSL
hsl(248, 21%, 29%)
HWB
hwb(248 23% 64%)
OKLCH
oklch(37.1% 0.054 289.2)
P3
color(display-p3 0.2444 0.2319 0.3480)
HSV
hsv(248, 35%, 36%)
LAB
lab(26.56% 9.95 -18.50)
LCH
lch(26.56% 21.01 298.28)
CMYK
cmyk(31%, 35%, 0%, 64%)

Etymology

Pithed
adjective

Old English piþa, pith / inner stalk — past-participle of pith. As a color modifier, pithed implies a deep-and-cored-out quality where the visual surface has been excavated to reveal interior darkness. Sits at the deep-and-architectural end of the grid, parallel to hollowed and cored.

Kalmia
noun

North American mountain laurel (Kalmia latifolia) — an Ericaceae evergreen shrub native to Appalachia, with cup-shaped pink-and-violet pentahedral flowers in late spring. Kalmia color refers to a fully bloomed Kalmia latifolia corymb: a saturated, slightly cool deep blue-violet with the velvet finish of fused-petaled cup flowers around a tense ring of bow-loaded stamens. Named for Pehr Kalm, Linnaeus's Swedish-Finnish student-botanist.

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.

#3f3b5b
Original
#323f5c
Protanopia
#323e5a
Deuteranopia
#394147
Tritanopia
#3e3e3e
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).
AAAon White
10.56:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
1.99:1

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
##3F3B5B
Display P3
Display P3
color(display-p3 0.2444 0.2319 0.3480)
Inside sRGBOKLCH chroma 0.054

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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