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Homespun Catacomb

#150d2d
Notes

Homespun Catacomb (#150D2D) 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 (255°, 55%, 11%) 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
#150d2d
RGB
rgb(21, 13, 45)
HSL
hsl(255, 55%, 11%)
HWB
hwb(255 5% 82%)
OKLCH
oklch(19.1% 0.062 290.9)
P3
color(display-p3 0.0775 0.0522 0.1692)
HSV
hsv(255, 71%, 18%)
LAB
lab(5.75% 13.06 -19.77)
LCH
lch(5.75% 23.69 303.46)
CMYK
cmyk(53%, 71%, 0%, 82%)

Etymology

Homespun
adjective

English compound home + past-participle spun — sharing root with spin. As a color modifier, homespun implies a neutral-and-cottage-industry-and-traditional quality, the neutral color of Welsh-and-Scottish-Highland hand-spun-and-hand-woven cottage-industry-and-traditional-craft textile-finish. Sits at the neutral-and-traditional end of the grid, parallel to folksy and homey in usage.

Catacomb
noun

Greek katà-kymbas, near-the-hollows — the deep-cool-gray underground burial-passageways of Roman-and-early-Christian periods, particularly the San Callisto and Domitilla catacomb-systems of Via Appia. Catacomb color refers to a San-Callisto 3rd-century catacomb-passage in candlelight: a dark cool-gray with the matte finish of Roman-tufa hand-quarried Via-Appia Roman-Christian fossors tunnel-construction.

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.

#150d2d
Original
#00132e
Protanopia
#01122c
Deuteranopia
#0e141b
Tritanopia
#111111
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
18.63:1
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
1.13:1

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
##150D2D
Display P3
Display P3
color(display-p3 0.0775 0.0522 0.1692)
Inside sRGBOKLCH chroma 0.062

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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