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Local Eclipse

#150a21
Notes

Local Eclipse (#150A21) is a deep indigo 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 (269°, 53%, 8%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#150a21
RGB
rgb(21, 10, 33)
HSL
hsl(269, 53%, 8%)
HWB
hwb(269 4% 87%)
OKLCH
oklch(17.5% 0.048 304.0)
P3
color(display-p3 0.0761 0.0411 0.1242)
HSV
hsv(269, 70%, 13%)
LAB
lab(4.39% 9.42 -12.74)
LCH
lch(4.39% 15.85 306.48)
CMYK
cmyk(36%, 70%, 0%, 87%)

Etymology

Local
adjective

Latin locālis, of-a-place — adjectival suffix -al. As a color modifier, local implies a neutral-and-place-rooted-and-traditional quality, the neutral color of farm-to-table-and-100-mile-diet local-and-place-rooted artisanal-craft food-and-textile-and-pottery surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to regional and vernacular in usage.

Eclipse
noun

The total occlusion of the sun by the moon — the brief event during which the sky goes from full daylight to deep blue-black in the four to seven minutes of totality. The color refers to the sky at the centerline of total eclipse: a deep, slightly violet-shifted near-black with the optical complexity of a sky still receiving the sun's corona. Cooler than midnight, warmer than vantablack, with the celestial weight of a phenomenon visible at any single location once every few centuries.

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.

#150a21
Original
#040f22
Protanopia
#060f20
Deuteranopia
#130e14
Tritanopia
#0e0e0e
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
19.14:1
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
1.10:1

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
##150A21
Display P3
Display P3
color(display-p3 0.0761 0.0411 0.1242)
Inside sRGBOKLCH chroma 0.048

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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