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Sovereign Rhodonite

#8a176c
Notes

Sovereign Rhodonite (#8A176C) 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 (316°, 71%, 32%) 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
#8a176c
RGB
rgb(138, 23, 108)
HSL
hsl(316, 71%, 32%)
HWB
hwb(316 9% 46%)
OKLCH
oklch(43.7% 0.171 341.5)
HSV
hsv(316, 83%, 54%)
LAB
lab(32.03% 53.80 -20.12)
LCH
lch(32.03% 57.44 339.50)
CMYK
cmyk(0%, 83%, 22%, 46%)

Etymology

Sovereign
adjective

Old French soverain, supreme — derived from Latin super (above). As a color modifier, sovereign implies a saturated-and-royal-supremacy quality where the hue carries imperial-ruling-class register. Sits at the bold-and-imperial end of the grid, parallel to regal and imperial in tone.

Rhodonite
noun

Manganese-silicate mineral with deep-pink-to-rose-red coloration, sourced from the Sverdlovsk deposits of the Russian Urals and the Vagner mine of Sweden. Rhodonite color refers to a polished Sverdlovsk rhodonite massive specimen: a saturated, slightly cool deep magenta with the matte finish of manganese-rich silicate. The Greek genus name rhódon (rose) refers to the characteristic deep-pink color of crystalline specimens.

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.

#8a176c
Original
#23406e
Protanopia
#495269
Deuteranopia
#931a41
Tritanopia
#363636
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
8.68:1
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
2.42:1

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