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Centered Carolina

#2166d1
Notes

Centered Carolina (#2166D1) 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 (216°, 73%, 47%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2166d1
RGB
rgb(33, 102, 209)
HSL
hsl(216, 73%, 47%)
HWB
hwb(216 13% 18%)
OKLCH
oklch(53.1% 0.179 259.5)
HSV
hsv(216, 84%, 82%)
LAB
lab(44.84% 18.82 -61.06)
LCH
lch(44.84% 63.89 287.14)
CMYK
cmyk(84%, 51%, 0%, 18%)

Etymology

Centered
adjective

Latin centrum, center — past-participle of center. As a color modifier, centered implies a saturated-and-grounded-and-balanced quality where the hue occupies the visual center of its palette without drift. Sits at the bold-and-balanced end of the grid, parallel to poised and grounded.

Carolina
noun

The official athletic blue of the University of North Carolina at Chapel Hill — a soft, slightly washed pale blue first adopted in the 1880s and now associated with one of the most visually distinctive college sports brands in the United States. The color refers to a UNC athletic-jersey blue: a soft, slightly muted pale blue with the matte finish of woven knit polyester. Lighter than periwinkle, cooler than powder.

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.

#2166d1
Original
#1c72d5
Protanopia
#0063cf
Deuteranopia
#008092
Tritanopia
#5f5f5f
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
5.40:1
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
3.89:1

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