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Homespun Pleonaste

#04073b
Notes

Homespun Pleonaste (#04073B) is a deep blue 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 (237°, 87%, 12%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#04073b
RGB
rgb(4, 7, 59)
HSL
hsl(237, 87%, 12%)
HWB
hwb(237 2% 77%)
OKLCH
oklch(17.9% 0.097 268.5)
P3
color(display-p3 0.0178 0.0271 0.2209)
HSV
hsv(237, 93%, 23%)
LAB
lab(4.46% 18.20 -32.22)
LCH
lch(4.46% 37.00 299.46)
CMYK
cmyk(93%, 88%, 0%, 77%)

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.

Pleonaste
noun

Mg(Al,Fe)₂O₄ iron-rich black spinel — a deep-black variety of the spinel group, mined principally at Vesuvius in Italy and at Långban in Sweden. Pleonaste color refers to a freshly cleaved Vesuvius pleonaste octahedral crystal face: a saturated, slightly cool deep black with the glassy finish of cubic-system magnesium-iron-aluminum-oxide. The Greek genus name pleonasmós (excess) refers to its many cleavage-faces.

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.

#04073b
Original
#00123c
Protanopia
#000c3a
Deuteranopia
#001720
Tritanopia
#0a0a0a
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
19.11:1
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
##04073B
Display P3
Display P3
color(display-p3 0.0178 0.0271 0.2209)
P3 has subtle headroomOKLCH chroma 0.097

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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