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Dependable Zǐsè

#b578bc
Notes

Dependable Zǐsè (#B578BC) is a true violet with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (294°, 34%, 60%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b578bc
RGB
rgb(181, 120, 188)
HSL
hsl(294, 34%, 60%)
HWB
hwb(294 47% 26%)
OKLCH
oklch(66.0% 0.119 323.2)
P3
color(display-p3 0.6751 0.4811 0.7216)
HSV
hsv(294, 36%, 74%)
LAB
lab(58.87% 35.14 -26.15)
LCH
lch(58.87% 43.81 323.34)
CMYK
cmyk(4%, 36%, 0%, 26%)

Etymology

Dependable
adjective

Latin dē-pendere, to hang from — adjectival suffix -able. As a color modifier, dependable implies a clear-and-trustworthy-and-consistent quality where the hue carries the visual register of consistently-performing-and-counted-on design-element. Sits at the crisp-and-honest end of the grid, parallel to reliable and trustworthy in usage.

Zǐsè
noun

Chinese 紫色, deep purple color — the formal color name for imperial purple in Chinese color terminology, distinguished from the broader (purple). Zǐsè color refers to a Qing-dynasty qipao dress in formal court-purple silk: a saturated, slightly cool deep violet with the silk luster of multi-bath fermentation-and-mineral dye on tussah silk. Slightly warmer than Japanese murasaki.

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.

#b578bc
Original
#7189bf
Protanopia
#8090ba
Deuteranopia
#b77f91
Tritanopia
#8a8a8a
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).
AA Largeon White
3.29:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.38:1

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
##B578BC
Display P3
Display P3
color(display-p3 0.6751 0.4811 0.7216)
P3 has subtle headroomOKLCH chroma 0.119

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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