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Authoritative Venus Ruby

#972661
Notes

Authoritative Venus Ruby (#972661) is a true 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 (329°, 60%, 37%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#972661
RGB
rgb(151, 38, 97)
HSL
hsl(329, 60%, 37%)
HWB
hwb(329 15% 41%)
OKLCH
oklch(46.6% 0.158 353.2)
P3
color(display-p3 0.5449 0.1864 0.3743)
HSV
hsv(329, 75%, 59%)
LAB
lab(35.66% 51.19 -7.33)
LCH
lch(35.66% 51.71 351.85)
CMYK
cmyk(0%, 75%, 36%, 41%)

Etymology

Authoritative
adjective

Latin auctōritāt-, authority — adjectival suffix -ive. As a color modifier, authoritative implies a saturated-and-formal-imperative quality where the hue carries decisional weight and institutional credibility. Sits at the bold-and-authoritative end of the grid, parallel to commanding and magisterial in usage.

Venus
modifier

Latin Venus, Roman-goddess-and-second-planet. As a color modifier, venus implies a Roman-goddess-and-second-planet-and-morning-evening-star quality, the visual register of Botticelli-Birth-of-Venus-and-Pompeii-fresco hand-Roman-goddess-and-second-planet-and-morning-evening-star Botticelli-Birth-of-Venus-and-Pompeii-fresco-and-Aphrodite-Hellenic venus-and-Roman-goddess-and-second-planet surfaces under Botticelli-Birth-of-Venus-and-Pompeii-fresco-and-Aphrodite-Hellenic Florentine-and-Pompeian dawn-and-dusk-evening-star-light. Sits at the modifier-and-zodiac end of the grid, parallel to jupiter and saturn 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.

#972661
Original
#3b4763
Protanopia
#5a5b5e
Deuteranopia
#a31c40
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).
AAAon White
7.59:1
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
2.77:1

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
##972661
Display P3
Display P3
color(display-p3 0.5449 0.1864 0.3743)
P3 has subtle headroomOKLCH chroma 0.158

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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