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Homemade Bivouac

#1b0531
Notes

Homemade Bivouac (#1B0531) is a deep indigo with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (270°, 81%, 11%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#1b0531
RGB
rgb(27, 5, 49)
HSL
hsl(270, 81%, 11%)
HWB
hwb(270 2% 81%)
OKLCH
oklch(18.8% 0.083 302.0)
P3
color(display-p3 0.0951 0.0237 0.1837)
HSV
hsv(270, 90%, 19%)
LAB
lab(5.09% 20.83 -23.76)
LCH
lch(5.09% 31.60 311.24)
CMYK
cmyk(45%, 90%, 0%, 81%)

Etymology

Homemade
adjective

English compound home + past-participle made — sharing root with make. As a color modifier, homemade implies a neutral-and-handcrafted-and-domestic quality, the neutral color of American-and-English-cottage hand-made-and-home-craft household-textile-and-pottery surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to handmade and handcrafted in usage.

Bivouac
noun

German Beiwacht, side-watch — the deep-cool-gray temporary-camp of pre-modern European military campaigns, particularly the Napoleonic-Wars infantry winter-bivouac. Bivouac color refers to a Russian-1812 French-Imperial-Army winter-bivouac at the Berezina-River crossing: a dark cool-gray with the matte finish of cattle-hide-tarpaulin-and-bark improvised shelter against snow-laden Russian-steppe sky.

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.

#1b0531
Original
#001132
Protanopia
#001130
Deuteranopia
#16101a
Tritanopia
#0d0d0d
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
18.87:1
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
##1B0531
Display P3
Display P3
color(display-p3 0.0951 0.0237 0.1837)
P3 has subtle headroomOKLCH chroma 0.083

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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