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Frayed Constantinople

#64546f
Notes

Frayed Constantinople (#64546F) 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 (276°, 14%, 38%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#64546f
RGB
rgb(100, 84, 111)
HSL
hsl(276, 14%, 38%)
HWB
hwb(276 33% 56%)
OKLCH
oklch(47.2% 0.047 311.3)
P3
color(display-p3 0.3819 0.3317 0.4280)
HSV
hsv(276, 24%, 44%)
LAB
lab(38.20% 12.22 -12.99)
LCH
lch(38.20% 17.84 313.24)
CMYK
cmyk(10%, 24%, 0%, 56%)

Etymology

Frayed
adjective

Old French froyer, to rub — past-participle of fray. As a color modifier, frayed implies a hushed-and-edge-worn-and-aged quality, the hushed color of multi-decade cuffed-and-collared heavily-worn dress-attire textile-edges. Sits at the hushed-and-worn end of the grid, parallel to threadbare and tattered in usage.

Constantinople
noun

Byzantine imperial capital (founded 324 CE as Nova Roma, fell 1453 CE) — and the regulatory home of the purpura monopoly, where Tyrian purple was a state-controlled imperial dye after Justinian I's edict (530 CE). Constantinople color refers to an Empress Theodora San Vitale mosaic robe: a saturated, slightly cool deep violet with the matte finish of multi-bath Tyrian shellfish dye on Byzantine silk.

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.

#64546f
Original
#505970
Protanopia
#535a6e
Deuteranopia
#63575d
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
6.91:1
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
3.04:1

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
##64546F
Display P3
Display P3
color(display-p3 0.3819 0.3317 0.4280)
Inside sRGBOKLCH chroma 0.047

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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