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Shielded Ophiuchus Ruby

#8d0113
Notes

Shielded Ophiuchus Ruby (#8D0113) is a deep red 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 (352°, 99%, 28%) 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
#8d0113
RGB
rgb(141, 1, 19)
HSL
hsl(352, 99%, 28%)
HWB
hwb(352 0% 45%)
OKLCH
oklch(40.6% 0.164 25.1)
P3
color(display-p3 0.5055 0.0941 0.1030)
HSV
hsv(352, 99%, 55%)
LAB
lab(28.73% 51.70 33.40)
LCH
lch(28.73% 61.55 32.86)
CMYK
cmyk(0%, 99%, 87%, 45%)

Etymology

Shielded
adjective

Old English scild, shield — past-participle of shield, sharing root with German Schild. As a color modifier, shielded implies a saturated-and-protected-and-defensive quality, the deep-rich color of medieval-knight armorial-shield-and-coat-of-arms heraldic display. Sits at the bold-and-fortified end of the grid, parallel to armored and bastioned.

Ophiuchus
modifier

Greek Ὀφιοῦχος, serpent-bearer. As a color modifier, ophiuchus implies a serpent-bearer-and-thirteenth-sign-and-Asclepius quality, the visual register of Hellenic-Ophiuchus-and-Asclepius-serpent-bearer hand-serpent-bearer-and-thirteenth-sign-and-Asclepius Hellenic-Ophiuchus-and-Asclepius-serpent-bearer-and-Rod-of-Asclepius ophiuchus-and-serpent-bearer-and-thirteenth-sign surfaces under Hellenic-Ophiuchus-and-Asclepius-serpent-bearer-and-Rod-of-Asclepius autumn-and-November-and-December serpent-bearer-light. Sits at the modifier-and-zodiac end of the grid, parallel to scorpio and sagittarius 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.

#8d0113
Original
#383211
Protanopia
#584d0a
Deuteranopia
#9c000b
Tritanopia
#202020
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
9.78:1
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
2.15:1

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
##8D0113
Display P3
Display P3
color(display-p3 0.5055 0.0941 0.1030)
P3 has subtle headroomOKLCH chroma 0.164

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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