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Hardy Aztec Royal

#4571ef
Notes

Hardy Aztec Royal (#4571EF) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (224°, 84%, 60%) 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
#4571ef
RGB
rgb(69, 113, 239)
HSL
hsl(224, 84%, 60%)
HWB
hwb(224 27% 6%)
OKLCH
oklch(58.8% 0.196 266.0)
HSV
hsv(224, 71%, 94%)
LAB
lab(51.04% 26.76 -67.92)
LCH
lch(51.04% 73.00 291.51)
CMYK
cmyk(71%, 53%, 0%, 6%)

Etymology

Hardy
adjective

Old French hardi, bold / brave — past-participle of hardir (to make brave). As a color modifier, hardy implies a saturated-and-cold-resistant quality, the deep-rich color of Scandinavian-and-Russian boreal-forest-and-tundra outdoor-clothing. Sits at the bold-and-resilient end of the grid, parallel to tough and resilient.

Aztec
modifier

Nahuatl Aztēcatl, one-from-Aztlán. As a color modifier, aztec implies a Mexica-and-Tenochtitlan-Imperial quality, the visual register of Aztec-Empire-of-Tenochtitlan hand-built basalt-and-obsidian-and-feather-and-codex Aztec-Imperial-and-Mexica-tribute surfaces under high-altitude Tenochtitlan Aztec-Empire central-Mexico mid-altitude light. Sits at the modifier-and-cultural end of the grid, parallel to inca and toltec in usage.

Royal
noun

The blue of European royal court dress and regalia from the late seventeenth century forward — the color of British peers' robes, French royal sashes, the lining of the crown-jewel cases. The color refers to a saturated, slightly violet-shifted blue with the matte finish of velvet or melton wool dyed to maximum intensity: deeper than cornflower, warmer than ultramarine, with the heraldic weight of a color reserved for monarchs and the official Crown.

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.

#4571ef
Original
#1282f3
Protanopia
#0072ec
Deuteranopia
#008fa5
Tritanopia
#717171
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
4.32:1
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
4.86:1

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