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Abyssal Violet

#15182a
Notes

Abyssal Violet (#15182A) is a deep blue 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 (231°, 33%, 12%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#15182a
RGB
rgb(21, 24, 42)
HSL
hsl(231, 33%, 12%)
HWB
hwb(231 8% 84%)
OKLCH
oklch(21.6% 0.036 275.8)
P3
color(display-p3 0.0845 0.0937 0.1596)
HSV
hsv(231, 50%, 16%)
LAB
lab(8.82% 4.50 -12.68)
LCH
lch(8.82% 13.45 289.52)
CMYK
cmyk(50%, 43%, 0%, 84%)

Etymology

Abyssal
adjective

Greek ábyssos, bottomless — adjectival form of abyss. As a color modifier, abyssal implies a deep, cool, slightly-cool-shifted quality reminiscent of Mariana Trench depths where light-extinction reaches absolute. Sits at the deepest-and-coolest end of the deep grid, parallel to fathomless and warmer than Stygian.

Violet
noun

Viola odorata, the European sweet violet — small, fragrant, and the original meaning of the color name in English (the Violet of the rainbow). The color refers to a fresh sweet violet blossom in late winter: a saturated, slightly red-shifted deep blue-purple with the matte finish of small five-petaled flower. Cooler than amethyst, warmer than indigo, with the perfumed weight of a flower used in Roman garlands and Victorian eau de toilette.

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.

#15182a
Original
#121a2b
Protanopia
#10182a
Deuteranopia
#0e1c1f
Tritanopia
#191919
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
17.56:1
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
1.20:1

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
##15182A
Display P3
Display P3
color(display-p3 0.0845 0.0937 0.1596)
Inside sRGBOKLCH chroma 0.036

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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