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Subterranean Strawberry

#550549
Notes

Subterranean Strawberry (#550549) 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 (309°, 89%, 18%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#550549
RGB
rgb(85, 5, 73)
HSL
hsl(309, 89%, 18%)
HWB
hwb(309 2% 67%)
OKLCH
oklch(31.1% 0.131 335.9)
HSV
hsv(309, 94%, 33%)
LAB
lab(18.01% 40.77 -19.62)
LCH
lch(18.01% 45.25 334.30)
CMYK
cmyk(0%, 94%, 14%, 67%)

Etymology

Subterranean
adjective

Latin sub-terraneus, under-ground. As a color modifier, subterranean implies the cool deep darkness of cave-and-tunnel interiors where ambient daylight has been completely eliminated. Sits at the deep-and-cool end of the grid, where the hue reads as cellar-dwelling rather than night-sky deep.

Strawberry
noun

Fragaria × ananassa, the cultivated strawberry of European gardens since the eighteenth century. The color refers to the surface of a ripe berry: a clean, bright red with a slight blue shift in the shadows of the achenes. Warmer than ruby, lighter than crimson, with the optical brightness of fresh fruit rather than the depth of pigment or gem.

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.

#550549
Original
#06254b
Protanopia
#263047
Deuteranopia
#5a0d29
Tritanopia
#1b1b1b
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
13.96:1
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

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