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Frayed Crepuscule

#67637a
Notes

Frayed Crepuscule (#67637A) 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 (250°, 10%, 43%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#67637a
RGB
rgb(103, 99, 122)
HSL
hsl(250, 10%, 43%)
HWB
hwb(250 39% 52%)
OKLCH
oklch(51.2% 0.036 293.0)
P3
color(display-p3 0.4012 0.3888 0.4714)
HSV
hsv(250, 19%, 48%)
LAB
lab(43.08% 6.65 -12.29)
LCH
lch(43.08% 13.97 298.42)
CMYK
cmyk(16%, 19%, 0%, 52%)

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.

Crepuscule
noun

Latin crepusculum, twilight — adopted into French and English for the precise civil-twilight half-hour between sunset and nightfall. Crepuscule color refers to a clear-sky eastern anti-solar horizon at civil crepuscule (twelve minutes after sundown): a saturated, slightly cool deep blue-violet with the optical complexity of Rayleigh-scattered Belt of Venus light against the deepening Earth shadow.

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.

#67637a
Original
#5e667b
Protanopia
#5e6579
Deuteranopia
#63666b
Tritanopia
#666666
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
5.77:1
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
3.64:1

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
##67637A
Display P3
Display P3
color(display-p3 0.4012 0.3888 0.4714)
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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