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Profound Logwood

#211c2f
Notes

Profound Logwood (#211C2F) is a deep 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 (256°, 25%, 15%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#211c2f
RGB
rgb(33, 28, 47)
HSL
hsl(256, 25%, 15%)
HWB
hwb(256 11% 82%)
OKLCH
oklch(24.2% 0.036 295.7)
P3
color(display-p3 0.1261 0.1105 0.1792)
HSV
hsv(256, 40%, 18%)
LAB
lab(11.68% 7.62 -11.79)
LCH
lch(11.68% 14.04 302.89)
CMYK
cmyk(30%, 40%, 0%, 82%)

Etymology

Profound
adjective

From the Latin profundus, deep — sharing the same root as the noun profundity. As a color modifier, profound is the literary register for deep beyond ordinary measure — used for darks that read as bottomless or inexhaustible. Sits at the dark end of the grid alongside stygian and cavernous, with slightly more dignity and slightly less menace.

Logwood
noun

Central American Haematoxylum campechianum — a tropical legume tree native to Yucatán and Belize, whose heartwood was the colonial-era principal source of haematein and hematoxylin dyes (also used for histology staining). Logwood color refers to a freshly logwood-mordant-dyed wool: a saturated, slightly cool deep blue-violet with the matte finish of haematein-on-iron-mordanted woolen fiber. Also the campeche of European calligraphy ink.

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.

#211c2f
Original
#171f30
Protanopia
#181f2e
Deuteranopia
#1e1f23
Tritanopia
#1e1e1e
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
16.51:1
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
1.27:1

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
##211C2F
Display P3
Display P3
color(display-p3 0.1261 0.1105 0.1792)
Inside sRGBOKLCH chroma 0.036

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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