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Sonorous Chili Cardinal

#c42d42
Notes

Sonorous Chili Cardinal (#C42D42) is a true red with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (352°, 63%, 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
#c42d42
RGB
rgb(196, 45, 66)
HSL
hsl(352, 63%, 47%)
HWB
hwb(352 18% 23%)
OKLCH
oklch(54.3% 0.186 18.9)
HSV
hsv(352, 77%, 77%)
LAB
lab(44.25% 59.34 25.48)
LCH
lch(44.25% 64.58 23.24)
CMYK
cmyk(0%, 77%, 66%, 23%)

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.

Chili
modifier

Nahuatl chīlli, capsicum-fruit. As a color modifier, chili implies a Mesoamerican-capsicum-and-fiery quality, the visual register of Mesoamerican-and-Oaxacan-chili hand-Mesoamerican-capsicum-and-fiery Mesoamerican-and-Oaxacan-chili-and-Yucatec-and-Veracruzano chili-and-Mesoamerican-capsicum surfaces under Mesoamerican-and-Oaxacan-chili-and-Yucatec-and-Veracruzano Oaxaca-and-Veracruz-and-Yucatán Mesoamerican-spice-light. Sits at the modifier-and-flavor end of the grid, parallel to pepper and pimento 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

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.

#c42d42
Original
#595442
Protanopia
#7f743d
Deuteranopia
#d70036
Tritanopia
#4f4f4f
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
5.52:1
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
3.80:1

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