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Considerate Shibuichi

#280816
Notes

Considerate Shibuichi (#280816) is a deep magenta 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 (334°, 67%, 9%) 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#280816
RGB
rgb(40, 8, 22)
HSL
hsl(334, 67%, 9%)
HWB
hwb(334 3% 84%)
OKLCH
oklch(19.7% 0.057 356.4)
P3
color(display-p3 0.1423 0.0394 0.0849)
HSV
hsv(334, 80%, 16%)
LAB
lab(6.17% 17.78 -1.27)
LCH
lch(6.17% 17.82 355.91)
CMYK
cmyk(0%, 80%, 45%, 84%)

Etymology

Considerate
adjective

Latin cōnsīderātus, thoughtful — past-participle of consider. As a color modifier, considerate implies a neutral-and-thoughtful-and-careful quality where the hue carries the visual register of careful-and-thoughtful-and-considerate coordinated color-decision matched to its surroundings. Sits at the neutral-and-friendly end of the grid, parallel to thoughtful and mannerly in usage.

Shibuichi
noun

Japanese 四分一, one-fourth — the Edo-period Japanese silver-copper alloy (75% copper / 25% silver) used in katana-tsuba (sword-guard) and kogai (hair-pin) decoration. Shibuichi color refers to an Edo-period katana-tsuba in shibuichi-ji finish: a dark cool-gray with the metallic finish of patina-aged silver-copper alloy on hand-engraved Japanese sword-guard.

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.

#280816
Original
#0d1016
Protanopia
#161615
Deuteranopia
#2c060e
Tritanopia
#101010
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
18.48:1
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
1.14:1

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
##280816
Display P3
Display P3
color(display-p3 0.1423 0.0394 0.0849)
Inside sRGBOKLCH chroma 0.057

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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