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Plutonian Acai

#2d264d
Notes

Plutonian Acai (#2D264D) 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 (251°, 34%, 23%) 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
#2d264d
RGB
rgb(45, 38, 77)
HSL
hsl(251, 34%, 23%)
HWB
hwb(251 15% 70%)
OKLCH
oklch(29.7% 0.069 289.8)
P3
color(display-p3 0.1719 0.1500 0.2922)
HSV
hsv(251, 51%, 30%)
LAB
lab(17.83% 14.19 -23.05)
LCH
lch(17.83% 27.07 301.62)
CMYK
cmyk(42%, 51%, 0%, 70%)

Etymology

Plutonian
adjective

From Pluto, the Roman god of the underworld (Greek Plouton). As a color modifier, plutonian implies the cool deep darkness of the underworld realms, with literary-classical register. Sits at the deep-and-cool end of the grid, parallel to Hadean and cooler than infernal.

Acai
noun

Brazilian Portuguese for Euterpe oleracea — an Amazon-basin palm whose deep-purple-violet drupe was a quilombola and caboclo dietary staple before its 21st-century superfood commercialization. Acai color refers to a freshly pulped Euterpe oleracea drupe: a saturated, slightly cool deep blue-violet with the matte finish of anthocyanin-rich palm-fruit pulp. The Tupi-derived word entered English via Portuguese in the 1990s.

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.

#2d264d
Original
#182c4e
Protanopia
#182b4c
Deuteranopia
#252e35
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
14.04:1
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
1.50:1

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
##2D264D
Display P3
Display P3
color(display-p3 0.1719 0.1500 0.2922)
Inside sRGBOKLCH chroma 0.069

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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