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Dominant Zǐsè

#a45ddf
Notes

Dominant Zǐsè (#A45DDF) is a true indigo with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (273°, 67%, 62%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a45ddf
RGB
rgb(164, 93, 223)
HSL
hsl(273, 67%, 62%)
HWB
hwb(273 36% 13%)
OKLCH
oklch(61.7% 0.195 306.8)
HSV
hsv(273, 58%, 87%)
LAB
lab(53.00% 52.36 -55.39)
LCH
lch(53.00% 76.22 313.39)
CMYK
cmyk(26%, 58%, 0%, 13%)

Etymology

Dominant
adjective

Latin dominārī, to rule — present-participle of dominate. As a color modifier, dominant implies a saturated-and-leading quality where the hue claims visual precedence over neighboring colors in the surrounding palette. Sits at the bold-and-imperative end of the grid, parallel to commanding and authoritative.

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

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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.

#a45ddf
Original
#277ce3
Protanopia
#477fdc
Deuteranopia
#9b7695
Tritanopia
#757575
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
4.03:1
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
5.21:1

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