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Unassuming Jet

#1f2b2a
Notes

Unassuming Jet (#1F2B2A) is a deep cyan 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 (175°, 16%, 15%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1f2b2a
RGB
rgb(31, 43, 42)
HSL
hsl(175, 16%, 15%)
HWB
hwb(175 12% 83%)
OKLCH
oklch(27.8% 0.017 189.9)
P3
color(display-p3 0.1312 0.1673 0.1644)
HSV
hsv(175, 28%, 17%)
LAB
lab(16.44% -5.39 -1.03)
LCH
lch(16.44% 5.49 190.85)
CMYK
cmyk(28%, 0%, 2%, 83%)

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.

Jet
noun

Fossilized wood from the Araucaria coniferous trees of the Jurassic period — compressed for 180 million years into a hard, polishable lignite. Mined principally at Whitby on the Yorkshire coast since the Bronze Age and worn as Victorian mourning jewelry after Albert's death in 1861. The color refers to a polished Whitby jet cabochon: a deep, slightly muted near-black with the satin finish of fossilized wood.

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.

#1f2b2a
Original
#2a2a2a
Protanopia
#27282a
Deuteranopia
#1b2c2b
Tritanopia
#282828
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
14.61:1
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
1.44:1

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
##1F2B2A
Display P3
Display P3
color(display-p3 0.1312 0.1673 0.1644)
Inside sRGBOKLCH chroma 0.017

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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