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Aristocratic Axis Ultramarine

#4a84f3
Notes

Aristocratic Axis Ultramarine (#4A84F3) is a true azure with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (219°, 88%, 62%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4a84f3
RGB
rgb(74, 132, 243)
HSL
hsl(219, 88%, 62%)
HWB
hwb(219 29% 5%)
OKLCH
oklch(63.1% 0.177 261.9)
P3
color(display-p3 0.3446 0.5120 0.9231)
HSV
hsv(219, 70%, 95%)
LAB
lab(56.51% 17.13 -61.31)
LCH
lch(56.51% 63.66 285.61)
CMYK
cmyk(70%, 46%, 0%, 5%)

Etymology

Aristocratic
adjective

Greek aristokratía, rule by the best — adjectival suffix -ic. As a color modifier, aristocratic implies a saturated-and-noble-and-hereditary quality, the deep-rich color of pre-modern European aristocracy hereditary-class livery-and-armorial-bearings. Sits at the bold-and-aristocratic end of the grid, parallel to patrician and lordly.

Axis
modifier

Latin axis, axle-or-pivot. As a color modifier, axis implies a rotational-pole-and-polar-spin quality, the visual register of Earth-axial-tilt-and-Polaris-axis hand-rotational-pole-and-polar-spin Earth-axial-tilt-and-Polaris-and-celestial-pole axis-and-rotational-pole-and-polar-spin surfaces under Earth-axial-tilt-and-Polaris-and-celestial-pole 23.5-degree-and-precession-and-celestial-mechanics polar-pivot-light. Sits at the modifier-and-cosmic end of the grid, parallel to orbit and zenith in usage.

Ultramarine
noun

The pigment ground from lapis lazuli — the Afghan mineral imported through Venice in the late Middle Ages, more expensive by weight than gold during the Renaissance. The color refers to a freshly mixed ultramarine pigment in linseed oil: a saturated, slightly violet-shifted deep blue with the matte finish of micron-ground rock. Deeper than cobalt, cooler than royal, with the art-historical weight of the blue Vermeer reserved for Mary's robe.

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.

#4a84f3
Original
#4b90f7
Protanopia
#2680f1
Deuteranopia
#009eb0
Tritanopia
#808080
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
3.57:1
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
5.89:1

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
##4A84F3
Display P3
Display P3
color(display-p3 0.3446 0.5120 0.9231)
P3 has subtle headroomOKLCH chroma 0.177

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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