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Imperial Veronica

#4c359d
Notes

Imperial Veronica (#4C359D) is a true indigo 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 (253°, 50%, 41%) 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
#4c359d
RGB
rgb(76, 53, 157)
HSL
hsl(253, 50%, 41%)
HWB
hwb(253 21% 38%)
OKLCH
oklch(41.8% 0.160 287.5)
HSV
hsv(253, 66%, 62%)
LAB
lab(30.68% 37.46 -53.32)
LCH
lch(30.68% 65.17 305.09)
CMYK
cmyk(52%, 66%, 0%, 38%)

Etymology

Imperial
adjective

From the Latin imperialis, of the empire — applied to color since the medieval period for the hues reserved for sovereigns and empires: imperial purple of Tyrian dye, imperial yellow of Ming-dynasty porcelain. As a modifier, imperial implies saturation combined with the institutional weight of a color owned by a court. Sits in the bold-and-deep corner, alongside royal.

Veronica
noun

The genus Veronica, the speedwells — named for Saint Veronica, who reportedly wiped Christ's face on the road to Calvary. The cultivated V. spicata sends up tall blue-violet flower spikes in summer borders. The color refers to a fresh veronica spike: a saturated, slightly violet-shifted blue with the matte finish of small densely packed flowers. Cooler than lavender, warmer than larkspur, with the cottage-garden association of a hardy perennial.

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.

#4c359d
Original
#004ba0
Protanopia
#00459b
Deuteranopia
#2e4f64
Tritanopia
#414141
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
9.12:1
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
2.30:1

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