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Replete Ophiuchus Ruby

#980e1f
Notes

Replete Ophiuchus Ruby (#980E1F) 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 (353°, 83%, 33%) 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
#980e1f
RGB
rgb(152, 14, 31)
HSL
hsl(353, 83%, 33%)
HWB
hwb(353 5% 40%)
OKLCH
oklch(43.5% 0.167 23.4)
P3
color(display-p3 0.5459 0.1267 0.1435)
HSV
hsv(353, 91%, 60%)
LAB
lab(32.01% 52.99 30.35)
LCH
lch(32.01% 61.07 29.80)
CMYK
cmyk(0%, 91%, 80%, 40%)

Etymology

Replete
adjective

Latin replētus, filled — past-participle of replēre. As a color modifier, replete implies a saturated-and-fully-pigmented quality where the hue is completely loaded with its source pigment. Sits at the bold-and-saturated end of the grid, parallel to brimming and suffused in usage.

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.

#980e1f
Original
#3f391e
Protanopia
#605519
Deuteranopia
#a80017
Tritanopia
#2d2d2d
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
8.69:1
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
2.42:1

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
##980E1F
Display P3
Display P3
color(display-p3 0.5459 0.1267 0.1435)
P3 has subtle headroomOKLCH chroma 0.167

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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