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Weighty Sparta Ruby

#d21f53
Notes

Weighty Sparta Ruby (#D21F53) 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 (343°, 74%, 47%) 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
#d21f53
RGB
rgb(210, 31, 83)
HSL
hsl(343, 74%, 47%)
HWB
hwb(343 12% 18%)
OKLCH
oklch(56.2% 0.209 12.1)
HSV
hsv(343, 85%, 82%)
LAB
lab(46.06% 67.69 17.89)
LCH
lch(46.06% 70.02 14.80)
CMYK
cmyk(0%, 85%, 60%, 18%)

Etymology

Weighty
adjective

Old English wegan, to weigh — adjectival suffix -y. As a color modifier, weighty implies a saturated-and-heavy-and-imposing quality where the hue carries visual mass and gravitational presence. Sits at the bold-and-weighty end of the grid, parallel to substantial and hefty in usage.

Sparta
modifier

Greek Σπάρτη, Sparta. As a color modifier, sparta implies a Lacedaemonian-and-warrior-city-state quality, the visual register of Spartan-Lacedaemonian-City-State hand-built bronze-armor-and-crimson-tunic-and-stone-temple Doric-warrior-state surfaces under Lacedaemonian-Sparta-and-Eurotas-Valley Doric-warrior-state Greek-Peloponnese light. Sits at the modifier-and-cultural end of the grid, parallel to athens and roman 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.

#d21f53
Original
#575654
Protanopia
#837a4e
Deuteranopia
#e60037
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
5.17:1
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
4.06:1

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