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Core Curlew

#1e0e26
Notes

Core Curlew (#1E0E26) 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 (280°, 46%, 10%) 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
#1e0e26
RGB
rgb(30, 14, 38)
HSL
hsl(280, 46%, 10%)
HWB
hwb(280 5% 85%)
OKLCH
oklch(20.0% 0.051 313.4)
P3
color(display-p3 0.1089 0.0578 0.1437)
HSV
hsv(280, 63%, 15%)
LAB
lab(6.59% 13.69 -13.09)
LCH
lch(6.59% 18.95 316.28)
CMYK
cmyk(21%, 63%, 0%, 85%)

Etymology

Core
adjective

Old French cor, heart / center — adjectival usage of core. As a color modifier, core implies a neutral-and-central-and-essential quality where the hue carries the visual register of Bauhaus-and-Mondrian-De-Stijl central-and-essential-design foundational-element-and-base-color. Sits at the neutral-and-foundational end of the grid, parallel to central and essential in usage.

Curlew
noun

Eurasian Numenius arquata — a Scolopacidae shorebird of European-and-North-Asian estuaries-and-grasslands, with deep-mottled-brown-gray plumage and a long down-curved bill. Curlew color refers to a Numenius arquata dorsal-feather field in autumn-overcast light: a dark cool-gray with the matte finish of melanin-and-buff-dorsal-stripe structurally-colored feather barbs.

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.

#1e0e26
Original
#091427
Protanopia
#0d1525
Deuteranopia
#1d1218
Tritanopia
#131313
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
18.32:1
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
1.15:1

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
##1E0E26
Display P3
Display P3
color(display-p3 0.1089 0.0578 0.1437)
Inside sRGBOKLCH chroma 0.051

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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