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Praetorian Tulip

#7929a1
Notes

Praetorian Tulip (#7929A1) 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 (280°, 59%, 40%) 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
#7929a1
RGB
rgb(121, 41, 161)
HSL
hsl(280, 59%, 40%)
HWB
hwb(280 16% 37%)
OKLCH
oklch(45.9% 0.187 311.6)
HSV
hsv(280, 75%, 63%)
LAB
lab(34.45% 53.42 -49.38)
LCH
lch(34.45% 72.74 317.25)
CMYK
cmyk(25%, 75%, 0%, 37%)

Etymology

Praetorian
adjective

Latin praetōriānus, of the praetor — adjectival suffix, referring to the Roman-Imperial elite guard-cohorts. As a color modifier, praetorian implies a saturated-and-elite-and-imperial-guard quality, the deep-rich color of Roman-Praetorian-Guard elite-imperial-bodyguard scarlet-tunic-and-bronze-armor military-formation. Sits at the bold-and-formal end of the grid, parallel to spartan and imperial.

Tulip
noun

The genus Tulipa — Central Asian bulbs cultivated in Ottoman gardens, brought to Europe in the sixteenth century, and famously the subject of tulipomania in the 1630s Dutch Republic. The color refers to a deep purple Tulipa hybrid in spring bloom: a saturated, slightly red-shifted deep purple with the satiny finish of a six-petaled goblet. Cooler than orchid, warmer than indigo, with the cultivation history of a flower that briefly cost more than houses.

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.

#7929a1
Original
#004da4
Protanopia
#16529e
Deuteranopia
#744463
Tritanopia
#434343
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
7.94:1
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
2.64:1

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