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Magisterial Satyr Ruby

#d21510
Notes

Magisterial Satyr Ruby (#D21510) 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 (2°, 86%, 44%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#d21510
RGB
rgb(210, 21, 16)
HSL
hsl(2, 86%, 44%)
HWB
hwb(2 6% 18%)
OKLCH
oklch(54.9% 0.216 29.0)
HSV
hsv(2, 92%, 82%)
LAB
lab(44.63% 67.11 53.33)
LCH
lch(44.63% 85.72 38.47)
CMYK
cmyk(0%, 90%, 92%, 18%)

Etymology

Magisterial
adjective

Latin magisterium, teacher's office — adjectival suffix -al. As a color modifier, magisterial implies a saturated-and-authoritative-and-formal quality, the deep-rich color of Qing-dynasty civil-magistrate court-and-ritual textiles and Imperial-Examination scholar-class livery. Sits at the bold-and-authoritative end of the grid, parallel to authoritative and commanding.

Satyr
modifier

Greek σάτυρος, half-goat-and-Dionysian-companion. As a color modifier, satyr implies a half-goat-and-Dionysian-revel-and-pastoral quality, the visual register of Hellenic-Satyr-and-Dionysian-revel hand-half-goat-and-Dionysian-revel-and-pastoral Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes satyr-and-half-goat-and-Dionysian-revel surfaces under Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes Bacchic-procession-and-vine-leaf-crown Dionysian-revel-light. Sits at the modifier-and-myth end of the grid, parallel to faun and nymph 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.

#d21510
Original
#5b5009
Protanopia
#877700
Deuteranopia
#e80019
Tritanopia
#3d3d3d
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
5.45:1
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
3.86:1

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