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Drowned Alizarin

#640c51
Notes

Drowned Alizarin (#640C51) is a deep magenta with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (313°, 79%, 22%) places it in the highly saturated band at a dark 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#640c51
RGB
rgb(100, 12, 81)
HSL
hsl(313, 79%, 22%)
HWB
hwb(313 5% 61%)
OKLCH
oklch(34.8% 0.139 339.1)
HSV
hsv(313, 88%, 39%)
LAB
lab(22.19% 43.71 -18.31)
LCH
lch(22.19% 47.39 337.27)
CMYK
cmyk(0%, 88%, 19%, 61%)

Etymology

Drowned
adjective

The past participle of drown — used as a color word principally in literary contexts for the dark blue-green of deep water and the muted browns of waterlogged earth. Drowned implies darkness with the optical complexity of a fluid medium absorbing and scattering light. Sits in the deep-and-cool quadrant, near sunken.

Alizarin
noun

1,2-dihydroxyanthraquinone — the principal anthraquinone dye component of madder root (Rubia tinctorum), first isolated and synthesized in 1869 by Carl Graebe and Carl Liebermann. Alizarin color refers to a freshly alizarin-mordant-dyed wool: a saturated, slightly cool deep magenta with the matte finish of anthraquinone-dye-on-mordanted woolen fiber. The first natural pigment to be replaced by a synthetic.

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.

#640c51
Original
#132c53
Protanopia
#313a4f
Deuteranopia
#6a112f
Tritanopia
#242424
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).
AAAon White
12.26:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
1.71:1

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