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Knightly Chicago

#4e83e0
Notes

Knightly Chicago (#4E83E0) 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 (218°, 70%, 59%) 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
#4e83e0
RGB
rgb(78, 131, 224)
HSL
hsl(218, 70%, 59%)
HWB
hwb(218 31% 12%)
OKLCH
oklch(61.8% 0.152 260.8)
HSV
hsv(218, 65%, 88%)
LAB
lab(55.31% 11.74 -52.65)
LCH
lch(55.31% 53.94 282.57)
CMYK
cmyk(65%, 42%, 0%, 12%)

Etymology

Knightly
adjective

Old English cniht, young man / knight — adjectival suffix -ly. As a color modifier, knightly implies a saturated-and-chivalrous-and-medieval quality, the deep-rich color of medieval-English-and-French knight-and-squire armorial-bearings-and-livery tradition. Sits at the bold-and-chivalrous end of the grid, parallel to gallant and cavalier.

Chicago
noun

The American Midwestern city on Lake Michigan — and the deep blue of Lake Michigan, the Chicago city flag (four red stars on white-and-blue field), and the Chicago Bears NFL team uniform. Chicago refers to Lake Michigan from the Lakefront Trail at midday: a saturated, slightly cool deep 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

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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.

#4e83e0
Original
#588ce4
Protanopia
#417ede
Deuteranopia
#0098a6
Tritanopia
#7e7e7e
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
3.72:1
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
5.65:1

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