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Hadean Carthage

#591770
Notes

Hadean Carthage (#591770) 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 (284°, 66%, 26%) 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
#591770
RGB
rgb(89, 23, 112)
HSL
hsl(284, 66%, 26%)
HWB
hwb(284 9% 56%)
OKLCH
oklch(35.9% 0.149 315.5)
HSV
hsv(284, 79%, 44%)
LAB
lab(23.36% 43.36 -37.00)
LCH
lch(23.36% 57.00 319.53)
CMYK
cmyk(21%, 79%, 0%, 56%)

Etymology

Hadean
adjective

Greek Hadean, of Hades — adjectival form of Hades. As a color modifier, hadean implies the deep cool-darkness of the classical-Greek underworld realms, with literary-poetic register. Sits at the deep-and-cool end of the grid, parallel to plutonian and Stygian in classical-mythological register.

Carthage
noun

Phoenician colonial capital on the Tunis coast (founded 814 BCE) — and a major secondary Tyrian purple production site supplying the western Mediterranean trade network. Carthage color refers to a Carthaginian trade-textile fragment from the Byrsa hill citadel: a saturated, slightly cool deep violet with the matte finish of multi-bath Bolinus brandaris shellfish dye on hand-loomed Punic wool.

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.

#591770
Original
#003472
Protanopia
#14396e
Deuteranopia
#572b43
Tritanopia
#2b2b2b
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
11.79:1
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

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