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Gloomy Knossos

#37233d
Notes

Gloomy Knossos (#37233D) is a deep violet 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 (286°, 27%, 19%) places it in the muted 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
#37233d
RGB
rgb(55, 35, 61)
HSL
hsl(286, 27%, 19%)
HWB
hwb(286 14% 76%)
OKLCH
oklch(29.3% 0.053 318.2)
P3
color(display-p3 0.2041 0.1406 0.2331)
HSV
hsv(286, 43%, 24%)
LAB
lab(17.23% 15.10 -12.90)
LCH
lch(17.23% 19.86 319.48)
CMYK
cmyk(10%, 43%, 0%, 76%)

Etymology

Gloomy
adjective

Middle English gloumen, to look glum — adjectival suffix -y. As a color modifier, gloomy implies a deep-and-cool-and-overcast quality, the dark cool-gray of Yorkshire-Moors and Scottish-Highlands late-autumn atmospheric-overcast sky. Sits at the deep-and-cool end of the grid, parallel to sullen and somber.

Knossos
noun

Minoan Cretan palace-complex (occupied c. 1900–1370 BCE) — the legendary court of King Minos and a major Bronze-Age Tyrian purple production center supplying the Aegean trade network. Knossos color refers to a Knossos-period Minoan purpura-dyed fresco border: a saturated, slightly cool deep violet with the matte finish of multi-bath Hexaplex trunculus shellfish dye on lime-plaster wall painting.

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.

#37233d
Original
#1f293e
Protanopia
#242b3c
Deuteranopia
#37262d
Tritanopia
#292929
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
14.28:1
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
1.47:1

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
##37233D
Display P3
Display P3
color(display-p3 0.2041 0.1406 0.2331)
Inside sRGBOKLCH chroma 0.053

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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