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Ebon Tyrian

#4c1974
Notes

Ebon Tyrian (#4C1974) is a deep indigo 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 (274°, 65%, 28%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4c1974
RGB
rgb(76, 25, 116)
HSL
hsl(274, 65%, 28%)
HWB
hwb(274 10% 55%)
OKLCH
oklch(34.5% 0.146 305.3)
HSV
hsv(274, 78%, 45%)
LAB
lab(21.92% 40.82 -42.01)
LCH
lch(21.92% 58.57 314.18)
CMYK
cmyk(34%, 78%, 0%, 55%)

Etymology

Ebon
adjective

A poetic shortening of ebony — used principally in nineteenth-century verse and Edgar Allan Poe (The Ravenebon bird). As a color modifier, ebon is a literary register for deep black with slight warmth, distinct from the cooler inky and the harder jet. Carries the same weight as the wood it borrows from.

Tyrian
noun

Historical Phoenician Tyrian purple (purpura) — derived from the Bolinus brandaris and Hexaplex trunculus sea-snail hypobranchial-gland secretion, processed at industrial scale on the Lebanese coast from 1500 BCE to 1453 CE. Tyrian color refers to a freshly Tyrian-purple-dyed Roman toga picta: a saturated, slightly cool deep violet with the matte finish of multi-bath Murex shellfish-dye on woolen toga cloth.

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.

#4c1974
Original
#003377
Protanopia
#003572
Deuteranopia
#453045
Tritanopia
#2a2a2a
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
12.36:1
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
1.70:1

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