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Senatorial Orchid

#ab4ab7
Notes

Senatorial Orchid (#AB4AB7) is a true violet with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (293°, 43%, 50%) 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
#ab4ab7
RGB
rgb(171, 74, 183)
HSL
hsl(293, 43%, 50%)
HWB
hwb(293 29% 28%)
OKLCH
oklch(57.7% 0.185 323.1)
HSV
hsv(293, 60%, 72%)
LAB
lab(48.23% 55.01 -39.98)
LCH
lch(48.23% 68.00 323.99)
CMYK
cmyk(7%, 60%, 0%, 28%)

Etymology

Senatorial
adjective

Latin senātōrius, of the senator — adjectival suffix. As a color modifier, senatorial implies a saturated-and-aristocratic-and-Roman-Republic quality, the deep-rich color of Roman-Senate toga praetexta purple-bordered ceremonial-citizen-class livery. Sits at the bold-and-aristocratic end of the grid, parallel to patrician and imperial.

Orchid
noun

The Orchidaceae — the largest plant family, with over 28,000 named species across every continent except Antarctica. The color orchid refers specifically to the lip color of Cattleya labiata, the Brazilian orchid that drove Victorian collecting fervor: a saturated, slightly cool pink-purple with the velvet finish of high-density floral tissue. Lighter than violet, warmer than amethyst, with the floral-trade weight of a plant family that names the color.

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.

#ab4ab7
Original
#366bba
Protanopia
#5976b4
Deuteranopia
#ae5a7a
Tritanopia
#666666
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).
AAon White
4.78:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.39:1

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