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Tartarean Java

#3b2b7a
Notes

Tartarean Java (#3B2B7A) is a deep indigo 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 (252°, 48%, 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3b2b7a
RGB
rgb(59, 43, 122)
HSL
hsl(252, 48%, 32%)
HWB
hwb(252 17% 52%)
OKLCH
oklch(35.6% 0.128 287.3)
P3
color(display-p3 0.2217 0.1711 0.4610)
HSV
hsv(252, 65%, 48%)
LAB
lab(23.88% 29.17 -42.75)
LCH
lch(23.88% 51.75 304.31)
CMYK
cmyk(52%, 65%, 0%, 52%)

Etymology

Tartarean
adjective

Greek Tartárean, of Tartarus — adjectival form of Tartarus, the deepest pit beneath Hades. As a color modifier, tartarean implies a literary-classical-deep-darkness quality, parallel to Stygian and Cimmerian in poetic register. Sits at the deepest end of the grid, with classical-literary connotations.

Java
noun

Indonesian island, the colonial-era Dutch source of Indigofera tinctoria cultivation supplementing the Indian supply, and the home of batik tulis indigo wax-resist dyeing. Java color refers to a Yogyakarta-made batik tulis sarong: a saturated, slightly cool deep blue-violet with the matte finish of multi-bath fermentation indigo on hand-waxed cotton. Slightly warmer than Bengali indigo from the Indian mainland.

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

Click any swatch to explore

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.

#3b2b7a
Original
#003b7d
Protanopia
#003778
Deuteranopia
#253e4e
Tritanopia
#343434
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
11.59:1
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
1.81:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##3B2B7A
Display P3
Display P3
color(display-p3 0.2217 0.1711 0.4610)
P3 has subtle headroomOKLCH chroma 0.128

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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