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Praetorian Salvia

#3f47bd
Notes

Praetorian Salvia (#3F47BD) is a true blue 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 (236°, 50%, 49%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3f47bd
RGB
rgb(63, 71, 189)
HSL
hsl(236, 50%, 49%)
HWB
hwb(236 25% 26%)
OKLCH
oklch(46.6% 0.182 273.9)
HSV
hsv(236, 67%, 74%)
LAB
lab(36.44% 34.77 -63.07)
LCH
lch(36.44% 72.02 298.87)
CMYK
cmyk(67%, 62%, 0%, 26%)

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.

Salvia
noun

The genus Salvia — the sages of the kitchen and ornamental sages of the garden — over 900 species, many with vivid blue-violet flower spikes that distinguish ornamental cultivars from culinary forms. The color refers to a fresh Salvia farinacea (mealy-cup sage) spike: a saturated, slightly violet-shifted blue with the matte finish of small lipped flowers along a single stem. Cooler than veronica, warmer than larkspur.

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.

#3f47bd
Original
#005bc1
Protanopia
#0050bb
Deuteranopia
#00657b
Tritanopia
#4e4e4e
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
7.37:1
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
2.85:1

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