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Sonorous Vita Crimson

#dd0033
Notes

Sonorous Vita Crimson (#DD0033) 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 (346°, 100%, 43%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#dd0033
RGB
rgb(221, 0, 51)
HSL
hsl(346, 100%, 43%)
HWB
hwb(346 0% 13%)
OKLCH
oklch(56.7% 0.228 21.7)
P3
color(display-p3 0.7946 0.1680 0.2280)
HSV
hsv(346, 100%, 87%)
LAB
lab(46.47% 72.76 38.33)
LCH
lch(46.47% 82.24 27.78)
CMYK
cmyk(0%, 100%, 77%, 13%)

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.

Vita
modifier

Latin vita, life-or-living. As a color modifier, vita implies a Latin-life-and-living-quality quality, the visual register of Roman-vita-and-dolce-vita-Latin-life hand-Latin-life-and-living-quality Roman-vita-and-dolce-vita-Latin-life-and-Vergilian-pastoral vita-and-Latin-life-and-living-quality surfaces under Roman-vita-and-dolce-vita-Latin-life-and-Vergilian-pastoral Augustan-Rome-and-Renaissance-Italy living-Roman-light. Sits at the modifier-and-Latin end of the grid, parallel to amor and via in usage.

Crimson
noun

From the Old Spanish cremesin, itself from the Arabic qirmiz — the kermes scale insect, dried and ground into a brilliant carmine dye prized in the medieval Mediterranean. For centuries the most expensive red on a draper's shelf, reserved for cardinals, kings, and the cloth that gave English the word crimson. Cooler than scarlet, deeper than rose; the color of pomegranate seeds and a serious occasion.

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.

#dd0033
Original
#5a5332
Protanopia
#8b7d2a
Deuteranopia
#f4001f
Tritanopia
#333333
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
5.09:1
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
4.12:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##DD0033
Display P3
Display P3
color(display-p3 0.7946 0.1680 0.2280)
P3 has visible headroomOKLCH chroma 0.228

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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