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Stoical Sepulchre

#280313
Notes

Stoical Sepulchre (#280313) is a deep magenta with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (334°, 86%, 8%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#280313
RGB
rgb(40, 3, 19)
HSL
hsl(334, 86%, 8%)
HWB
hwb(334 1% 84%)
OKLCH
oklch(18.7% 0.066 357.8)
P3
color(display-p3 0.1410 0.0205 0.0732)
HSV
hsv(334, 93%, 16%)
LAB
lab(5.09% 19.57 -0.82)
LCH
lch(5.09% 19.59 357.60)
CMYK
cmyk(0%, 93%, 53%, 84%)

Etymology

Stoical
adjective

Greek stōikós, of-the-Stoa — adjectival suffix -al. As a color modifier, stoical implies a neutral-and-restrained-and-unaffected quality, the neutral color of Stoic-philosophical and Spartan-school unaffected-and-stripped-down formal-but-unaffected color-decision. Sits at the neutral-and-restrained end of the grid, parallel to stoic and reserved in usage.

Sepulchre
noun

Latin sepulcrum, burial-place — the deep-cool-gray hewn-rock or hand-built tomb-architecture of Holy-Sepulchre-and-rock-cut royal-burial traditions. Sepulchre color refers to a Jerusalem-Holy-Sepulchre-Aedicule face in candlelight in the Anastasis-Rotunda: a dark cool-gray with the matte finish of Galilean-and-Judean-limestone hand-quarried 4th-century Constantinian-Imperial-period rock-cut tomb-aedicule.

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.

#280313
Original
#090c13
Protanopia
#141412
Deuteranopia
#2c0009
Tritanopia
#0c0c0c
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
18.87:1
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
1.11:1

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
##280313
Display P3
Display P3
color(display-p3 0.1410 0.0205 0.0732)
Inside sRGBOKLCH chroma 0.066

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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