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Authoritative Toga

#ac57b6
Notes

Authoritative Toga (#AC57B6) 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°, 39%, 53%) 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
#ac57b6
RGB
rgb(172, 87, 182)
HSL
hsl(294, 39%, 53%)
HWB
hwb(294 34% 29%)
OKLCH
oklch(59.5% 0.164 323.3)
P3
color(display-p3 0.6312 0.3589 0.6943)
HSV
hsv(294, 52%, 71%)
LAB
lab(50.65% 48.81 -35.58)
LCH
lch(50.65% 60.40 323.91)
CMYK
cmyk(5%, 52%, 0%, 29%)

Etymology

Authoritative
adjective

Latin auctōritāt-, authority — adjectival suffix -ive. As a color modifier, authoritative implies a saturated-and-formal-imperative quality where the hue carries decisional weight and institutional credibility. Sits at the bold-and-authoritative end of the grid, parallel to commanding and magisterial in usage.

Toga
noun

The Roman ceremonial-citizen mantle — particularly the toga picta (painted toga) worn by triumphant generals and emperors, dyed entirely in Tyrian purple with gold-thread embroidered figures. Toga color refers to a Roman-imperial toga picta on a triumphal arch spolia relief: a saturated, slightly cool deep violet with the matte finish of multi-bath Tyrian shellfish-dye on multi-rolled woolen toga cloth. Distinct from the white toga virilis.

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.

#ac57b6
Original
#4972b9
Protanopia
#647cb3
Deuteranopia
#af637e
Tritanopia
#707070
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
4.38:1
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
4.79:1

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
##AC57B6
Display P3
Display P3
color(display-p3 0.6312 0.3589 0.6943)
P3 has subtle headroomOKLCH chroma 0.164

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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