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Sinewy Tugtupite

#aa3980
Notes

Sinewy Tugtupite (#AA3980) is a true magenta with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (322°, 50%, 45%) 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
#aa3980
RGB
rgb(170, 57, 128)
HSL
hsl(322, 50%, 45%)
HWB
hwb(322 22% 33%)
OKLCH
oklch(52.9% 0.166 345.6)
HSV
hsv(322, 66%, 67%)
LAB
lab(42.81% 53.20 -15.56)
LCH
lch(42.81% 55.43 343.70)
CMYK
cmyk(0%, 66%, 25%, 33%)

Etymology

Sinewy
adjective

Old English sinu, sinew — adjectival suffix -y. As a color modifier, sinewy implies a saturated-and-muscular-and-firm quality where the hue carries the lean-and-strong visual presence of a Roman-statue athletic figure. Sits at the bold-and-firm end of the grid, parallel to stalwart and rugged in usage.

Tugtupite
noun

Rare beryllium-zinc silicate mineral first described from the Tugtup agtakôrfia (reindeer-blood place) deposit of Greenland in 1962. The mineral is fluorescent and tenebrescent (color-changes with UV exposure). Tugtupite color refers to a freshly UV-exposed Tugtup agtakôrfia tugtupite cabochon: a saturated, slightly cool deep magenta with the silky finish of tenebrescent beryllium-silicate. The Greenlandic name reflects Inuit reindeer-blood iconography.

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.

#aa3980
Original
#455982
Protanopia
#666c7d
Deuteranopia
#b53757
Tritanopia
#565656
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
5.82:1
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
3.61:1

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