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Sonorous Scorpio Brick

#d52321
Notes

Sonorous Scorpio Brick (#D52321) 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 (1°, 73%, 48%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#d52321
RGB
rgb(213, 35, 33)
HSL
hsl(1, 73%, 48%)
HWB
hwb(1 13% 16%)
OKLCH
oklch(56.2% 0.211 27.8)
HSV
hsv(1, 85%, 84%)
LAB
lab(46.26% 65.59 47.40)
LCH
lch(46.26% 80.92 35.86)
CMYK
cmyk(0%, 84%, 85%, 16%)

Etymology

Sonorous
adjective

Latin sonōrus, resounding — derived from sonus (sound). As a color modifier, sonorous implies a saturated-and-richly-vibrating quality where the hue carries the deep-resonance visual register of a cathedral-organ-pipe low-note. Sits at the bold-and-resonant end of the grid, parallel to resonant and deep in usage.

Scorpio
modifier

Latin scorpio, scorpion-of-the-zodiac. As a color modifier, scorpio implies a scorpion-and-water-sign-and-Mars-Pluto-ruled-fixed-water quality, the visual register of Hellenic-Scorpio-and-Orion-myth-scorpion hand-scorpion-and-water-sign-and-Mars-Pluto-ruled-fixed-water Hellenic-Scorpio-and-Orion-myth-scorpion-and-Antares scorpio-and-scorpion-and-water-sign surfaces under Hellenic-Scorpio-and-Orion-myth-scorpion-and-Antares mid-autumn-and-October-and-November fixed-water-sign-light. Sits at the modifier-and-zodiac end of the grid, parallel to libra and sagittarius in usage.

Brick
noun

Fired clay, mineral red. The color refers to common building brick — iron-rich earthenware kilned to the specific dusky red-orange of a Victorian terrace, a Roman aqueduct, an adobe wall in New Mexico. Less saturated than ruby, warmer than burgundy, with a chalky cast that reads as architectural rather than decorative.

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.

#d52321
Original
#60551d
Protanopia
#8a7b15
Deuteranopia
#eb0026
Tritanopia
#494949
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
5.13:1
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
4.09:1

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