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Manorial Deneb Ruby

#d8154b
Notes

Manorial Deneb Ruby (#D8154B) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (343°, 82%, 46%) places it in the highly saturated band at a mid 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
#d8154b
RGB
rgb(216, 21, 75)
HSL
hsl(343, 82%, 46%)
HWB
hwb(343 8% 15%)
OKLCH
oklch(56.7% 0.218 15.0)
P3
color(display-p3 0.7773 0.1899 0.3062)
HSV
hsv(343, 90%, 85%)
LAB
lab(46.51% 70.47 23.65)
LCH
lch(46.51% 74.33 18.55)
CMYK
cmyk(0%, 90%, 65%, 15%)

Etymology

Manorial
adjective

Latin manōrium, dwelling — adjectival suffix -al, derived from manēre (to remain). As a color modifier, manorial implies a saturated-and-aristocratic-and-rural quality, the deep-rich color of pre-modern English manor-house livery-and-tapestry tradition. Sits at the bold-and-aristocratic end of the grid, parallel to lordly and patrician.

Deneb
modifier

Arabic dhanab-al-dajājah, tail-of-the-hen. As a color modifier, deneb implies a Cygnus-tail-and-summer-triangle quality, the visual register of Cygnus-Swan-and-Summer-Triangle-Deneb hand-Cygnus-tail-and-summer-triangle Cygnus-Swan-and-Summer-Triangle-and-Bortle-1-sky deneb-and-Cygnus-tail-and-summer-triangle surfaces under Cygnus-Swan-and-Summer-Triangle-and-Bortle-1-sky July-and-August-summer-vista white-supergiant-stellar-light. Sits at the modifier-and-cosmic end of the grid, parallel to vega and altair in usage.

Ruby
noun

From the Latin ruber — simply, red. The gemstone is a chromium-tinged corundum, harder than anything in nature except diamond, and so saturated that a fine Burmese pigeon's blood ruby at auction outpaces a comparable diamond by weight. The color borrows the gem's confidence: a clear, glassy red without the brown of garnet or the blue of crimson.

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.

#d8154b
Original
#58554b
Protanopia
#877c46
Deuteranopia
#ed0030
Tritanopia
#424242
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
5.09:1
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
4.13:1

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
##D8154B
Display P3
Display P3
color(display-p3 0.7773 0.1899 0.3062)
P3 has visible headroomOKLCH chroma 0.218

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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