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Sepulchral Mantle

#231e65
Notes

Sepulchral Mantle (#231E65) 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 (244°, 54%, 26%) places it in the balanced 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
#231e65
RGB
rgb(35, 30, 101)
HSL
hsl(244, 54%, 26%)
HWB
hwb(244 12% 60%)
OKLCH
oklch(29.2% 0.120 279.1)
HSV
hsv(244, 70%, 40%)
LAB
lab(16.63% 25.80 -41.09)
LCH
lch(16.63% 48.52 302.13)
CMYK
cmyk(65%, 70%, 0%, 60%)

Etymology

Sepulchral
adjective

Latin sepulcrālis, of the burial-place — adjectival form of sepulcrum. As a color modifier, sepulchral implies the deep funereal-and-formal darkness of Holy-Sepulchre-and-rock-cut royal-tomb interiors of medieval-and-Renaissance Christendom. Sits at the deep-and-funereal end of the grid, parallel to entombed and funereal in tone, both literary and architectural.

Mantle
noun

Old English mentel via Latin mantellum, cloak — the term used in medieval European heraldry and ecclesiastical regalia for the long ceremonial cloak. Mantle color refers to a Coronation-period English king's deep-violet velvet mantle: a saturated, slightly cool deep blue-violet with the velvet finish of crushed-pile silk velvet over ermine. Distinct from the priestly cope and the academic gown in cut and ceremonial use.

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

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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.

#231e65
Original
#002c67
Protanopia
#002664
Deuteranopia
#00303e
Tritanopia
#242424
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
14.53:1
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
1.45:1

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