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Eroded Tyre

#51435f
Notes

Eroded Tyre (#51435F) 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 (270°, 17%, 32%) 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
#51435f
RGB
rgb(81, 67, 95)
HSL
hsl(270, 17%, 32%)
HWB
hwb(270 26% 63%)
OKLCH
oklch(40.9% 0.049 307.1)
P3
color(display-p3 0.3087 0.2648 0.3650)
HSV
hsv(270, 29%, 37%)
LAB
lab(30.85% 12.17 -14.31)
LCH
lch(30.85% 18.79 310.39)
CMYK
cmyk(15%, 29%, 0%, 63%)

Etymology

Eroded
adjective

Latin ērōdere, to gnaw away — past-participle of erode. As a color modifier, eroded implies a hushed-and-worn-down-and-faded quality, the hushed color of multi-millennia Greek-and-Roman archaeological-period weathered-and-eroded marble-and-limestone monumental surface. Sits at the hushed-and-worn end of the grid, parallel to weathered and aged in usage.

Tyre
noun

Ancient Phoenician city on the Lebanese coast — the industrial-scale production site for Tyrian purple (the μύρεξ shellfish-dye that ruled Mediterranean elite color codes from 1500 BCE to 1453 CE). Tyre color refers to a Tyre-produced Tyrian purple dyed Roman toga picta: a saturated, slightly cool deep violet with the matte finish of multi-bath Bolinus brandaris shellfish dye on woolen toga cloth.

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.

#51435f
Original
#3e4860
Protanopia
#41495e
Deuteranopia
#4f474d
Tritanopia
#484848
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
9.06:1
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
2.32:1

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
##51435F
Display P3
Display P3
color(display-p3 0.3087 0.2648 0.3650)
Inside sRGBOKLCH chroma 0.049

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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