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Heavy Wood Cardinal

#c51c35
Notes

Heavy Wood Cardinal (#C51C35) 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 (351°, 75%, 44%) 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
#c51c35
RGB
rgb(197, 28, 53)
HSL
hsl(351, 75%, 44%)
HWB
hwb(351 11% 23%)
OKLCH
oklch(53.1% 0.199 21.1)
HSV
hsv(351, 86%, 77%)
LAB
lab(42.71% 63.37 31.55)
LCH
lch(42.71% 70.79 26.47)
CMYK
cmyk(0%, 86%, 73%, 23%)

Etymology

Heavy
adjective

Old English hefig, weighty — cognate with heave. Used as a color modifier since at least the seventeenth century to indicate weight in saturation as much as value: heavy with pigment, heavy-bodied. In the engine's adjective grid, heavy sits alongside deep and plush in the dark-and-saturated quadrant. Closer to a fabric description than a pure value word.

Wood
modifier

Old English wudu, forest. As a color modifier, wood implies a deciduous-canopy-and-litter quality, the visual register of English-and-Welsh oak-and-beech mixed-deciduous forest leaf-litter-and-canopy hand-walked path surfaces in dappled-deciduous-broadleaf-canopy filtered-light. Sits at the modifier-and-place end of the grid, parallel to copse and grove in usage.

Cardinal
noun

Named for the scarlet robes of Roman Catholic cardinals, dyed since the thirteenth century with kermes and later cochineal. The color carries the institutional weight of its source — a saturated red-orange that reads as authority rather than romance. Also the bird (Cardinalis cardinalis) of the American east, whose plumage takes its red from carotenoid pigments in the seeds it eats.

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

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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.

#c51c35
Original
#554e34
Protanopia
#7e712f
Deuteranopia
#d90028
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).
AAon White
5.85:1
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
3.59:1

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