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Drenched Tanzanite

#640f5f
Notes

Drenched Tanzanite (#640F5F) is a deep violet 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 (304°, 74%, 23%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#640f5f
RGB
rgb(100, 15, 95)
HSL
hsl(304, 74%, 23%)
HWB
hwb(304 6% 61%)
OKLCH
oklch(35.8% 0.147 330.9)
P3
color(display-p3 0.3586 0.0922 0.3603)
HSV
hsv(304, 85%, 39%)
LAB
lab(23.26% 45.14 -25.95)
LCH
lch(23.26% 52.07 330.11)
CMYK
cmyk(0%, 85%, 5%, 61%)

Etymology

Drenched
adjective

Old English drencan, to give to drink — past-participle of drench. As a color modifier, drenched implies a hue saturated to its visual maximum without dilution, the deep-and-soaked quality of cloth fully absorbed by dye. Sits at the deep-and-saturated end of the grid, where the color reads as fully bathed by pigment.

Tanzanite
noun

A blue-violet variety of zoisite — discovered in 1967 in a single small area of northern Tanzania near Mount Kilimanjaro and marketed by Tiffany & Co. shortly after. The color refers to a faceted tanzanite cut to maximize its strong pleochroism: a saturated, slightly violet-shifted deep blue-purple with the gem's signature internal life. Cooler than amethyst, warmer than iolite, with the gem-trade specificity of a stone that occurs in exactly one place on Earth.

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.

#640f5f
Original
#033061
Protanopia
#2c3b5d
Deuteranopia
#681c37
Tritanopia
#272727
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
11.83:1
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
1.78:1

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
##640F5F
Display P3
Display P3
color(display-p3 0.3586 0.0922 0.3603)
P3 has subtle headroomOKLCH chroma 0.147

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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