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Patrician Bleu

#2571c6
Notes

Patrician Bleu (#2571C6) 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 (212°, 69%, 46%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2571c6
RGB
rgb(37, 113, 198)
HSL
hsl(212, 69%, 46%)
HWB
hwb(212 15% 22%)
OKLCH
oklch(54.8% 0.151 254.3)
HSV
hsv(212, 81%, 78%)
LAB
lab(47.34% 7.91 -50.72)
LCH
lch(47.34% 51.33 278.87)
CMYK
cmyk(81%, 43%, 0%, 22%)

Etymology

Patrician
adjective

Latin patrīcius, of the noble class — derived from pater (father). As a color modifier, patrician implies a saturated-and-aristocratic-and-Roman-Republic quality, the deep-rich color of Roman-Patrician-class toga and senatorial-livery hereditary-aristocratic dress. Sits at the bold-and-aristocratic end of the grid, parallel to senatorial and imperial.

Bleu
noun

The French word for blue — used across French art vocabulary from bleu de Prusse (Prussian blue) to bleu de Sèvres (Sèvres porcelain blue). The color refers to a Bleu de France heraldic field: a saturated, slightly cool deep blue with the matte finish of dyed wool. The French cousin of blue.

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.

#2571c6
Original
#4678c9
Protanopia
#276ac4
Deuteranopia
#008592
Tritanopia
#676767
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).
AAon White
4.93:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.26:1

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