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Unassuming Squid

#180d15
Notes

Unassuming Squid (#180D15) is a deep magenta 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 (316°, 30%, 7%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#180d15
RGB
rgb(24, 13, 21)
HSL
hsl(316, 30%, 7%)
HWB
hwb(316 5% 91%)
OKLCH
oklch(17.8% 0.024 337.0)
P3
color(display-p3 0.0878 0.0528 0.0806)
HSV
hsv(316, 46%, 9%)
LAB
lab(4.84% 5.99 -2.78)
LCH
lch(4.84% 6.61 335.11)
CMYK
cmyk(0%, 46%, 12%, 91%)

Etymology

Unassuming
adjective

Latin assūmere, to take up — negative-prefix un- plus present-participle of assume. As a color modifier, unassuming implies a neutral-and-modest-and-not-claiming-attention quality where the hue carries the visual register of Mid-Century-Modern modest-and-quiet-and-unobtrusive interior-decoration surface. Sits at the neutral-and-stripped-down end of the grid, parallel to simple and modest in usage.

Squid
noun

The ink ejected by squid (and cuttlefish, octopus) as a defensive cloud — melanin in a polysaccharide carrier. Used in Mediterranean cooking as nero di seppia for black pasta and risotto. The color refers to fresh squid ink in pasta water: a deep, slightly cool near-black with the optical density of melanin in suspension. Cooler than ink, warmer than vantablack, with the kitchen specificity of a black that flavors as well as colors.

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.

#180d15
Original
#0d0f15
Protanopia
#101115
Deuteranopia
#190d10
Tritanopia
#101010
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
18.97:1
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
1.11:1

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
##180D15
Display P3
Display P3
color(display-p3 0.0878 0.0528 0.0806)
Inside sRGBOKLCH chroma 0.024

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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