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Forthright Spurrite

#861478
Notes

Forthright Spurrite (#861478) 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 (307°, 74%, 30%) 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
#861478
RGB
rgb(134, 20, 120)
HSL
hsl(307, 74%, 30%)
HWB
hwb(307 8% 47%)
OKLCH
oklch(43.5% 0.179 334.2)
HSV
hsv(307, 85%, 53%)
LAB
lab(31.64% 55.36 -28.42)
LCH
lch(31.64% 62.23 332.82)
CMYK
cmyk(0%, 85%, 10%, 47%)

Etymology

Forthright
adjective

Old English forð-riht, straight ahead, direct. Used as a color modifier in Anglo-Saxon-revival contexts for hues that read as honest and unguarded. Forthright red, forthright blue: the saturation is full, the hue is presented without ornamentation or qualification. Sits in the bold-bucket center alongside frank and direct.

Spurrite
noun

Rare calcium silicate-carbonate mineral first described from the Velardeña mine of Durango, Mexico, in 1909. The mineral is named for Josiah Edward Spurr, an American economic geologist of the early 20th century. Spurrite color refers to a deep-violet Velardeña spurrite massive specimen: a saturated, slightly cool deep violet with the matte finish of fine-grained calcium silicate-carbonate. The color comes from trace manganese substitution in the calcium sites.

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.

#861478
Original
#10407a
Protanopia
#405075
Deuteranopia
#8d2147
Tritanopia
#333333
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
8.81:1
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
2.38:1

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