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Funereal Kachi

#1d2584
Notes

Funereal Kachi (#1D2584) 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 (235°, 64%, 32%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1d2584
RGB
rgb(29, 37, 132)
HSL
hsl(235, 64%, 32%)
HWB
hwb(235 11% 48%)
OKLCH
oklch(33.2% 0.156 270.8)
P3
color(display-p3 0.1199 0.1442 0.4974)
HSV
hsv(235, 78%, 52%)
LAB
lab(21.02% 31.84 -53.84)
LCH
lch(21.02% 62.55 300.60)
CMYK
cmyk(78%, 72%, 0%, 48%)

Etymology

Funereal
adjective

Latin fūnerālis, of the funeral — adjectival form of fūnus (funeral procession). As a color modifier, funereal implies the deep-mourning-and-formal darkness of Victorian-mourning black-textile and requiem-mass deep-violet vestment of Western Christian liturgical tradition. Sits at the deep-and-formal end of the grid, parallel to sepulchral and mourning in usage.

Kachi
noun

Japanese kachi-iro (褐色 or 勝色) — victory color, the deep blue-black favored by samurai for ceremonial dress because kachi phonetically equals victory. The deepest indigo dye, often applied through six or seven dye baths. The color refers to a kachi-dyed samurai jinbaori: a saturated, slightly cool very deep blue-black with the matte finish of multi-bath indigo silk.

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.

#1d2584
Original
#003787
Protanopia
#002e82
Deuteranopia
#003f51
Tritanopia
#2a2a2a
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
12.73:1
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
1.65:1

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
##1D2584
Display P3
Display P3
color(display-p3 0.1199 0.1442 0.4974)
P3 has subtle headroomOKLCH chroma 0.156

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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