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Sonorous Lampranthus

#cb31a5
Notes

Sonorous Lampranthus (#CB31A5) is a true magenta with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (315°, 61%, 49%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#cb31a5
RGB
rgb(203, 49, 165)
HSL
hsl(315, 61%, 49%)
HWB
hwb(315 19% 20%)
OKLCH
oklch(59.0% 0.220 340.1)
P3
color(display-p3 0.7331 0.2466 0.6303)
HSV
hsv(315, 76%, 80%)
LAB
lab(49.02% 69.43 -27.80)
LCH
lch(49.02% 74.79 338.18)
CMYK
cmyk(0%, 76%, 19%, 20%)

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.

Lampranthus
noun

South African ice plant (Lampranthus spectabilis) — an Aizoaceae succulent native to the Cape Floristic Region whose deep-magenta daisy-like flowers carpet the South African fynbos in late winter. Lampranthus color refers to a fully bloomed Lampranthus spectabilis flower-head on a Cape coastal headland: a saturated, slightly cool deep magenta with the velvet finish of fresh ray-flowers around a bright yellow disk. Greek lamprós (shining).

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.

#cb31a5
Original
#3d65a8
Protanopia
#6f7da1
Deuteranopia
#d73668
Tritanopia
#5a5a5a
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
4.64:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
4.52:1

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
##CB31A5
Display P3
Display P3
color(display-p3 0.7331 0.2466 0.6303)
P3 has visible headroomOKLCH chroma 0.220

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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