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Cloaked Kihachijō

#091f42
Notes

Cloaked Kihachijō (#091F42) is a deep azure 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 (217°, 76%, 15%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#091f42
RGB
rgb(9, 31, 66)
HSL
hsl(217, 76%, 15%)
HWB
hwb(217 4% 74%)
OKLCH
oklch(24.5% 0.072 259.4)
P3
color(display-p3 0.0578 0.1196 0.2494)
HSV
hsv(217, 86%, 26%)
LAB
lab(12.16% 6.36 -24.68)
LCH
lch(12.16% 25.48 284.46)
CMYK
cmyk(86%, 53%, 0%, 74%)

Etymology

Cloaked
adjective

Old French cloque, bell-cloak — past-participle of cloak. As a color modifier, cloaked implies a deep-fabric-shrouded quality where the hue is muffled by an enveloping textile-darkness. Sits at the deep-and-fabric end of the grid, parallel to mantled and hooded in usage.

Kihachijō
noun

The traditional indigo-dyed silk of Hachijō island in Tokyo's southern archipelago — produced from native kobaicha (yellow-brown) and aogarami (deep blue) dyes since at least the eighteenth century. Kihachijō-iro refers to the saturated medium blue of the silk: a saturated, slightly cool deep blue with the satin finish of plant-dyed island 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.

#091f42
Original
#0c2343
Protanopia
#011d41
Deuteranopia
#00272d
Tritanopia
#1d1d1d
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
16.33:1
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
1.29:1

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
##091F42
Display P3
Display P3
color(display-p3 0.0578 0.1196 0.2494)
Inside sRGBOKLCH chroma 0.072

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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