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Knightly Tower Royal

#1e5dd6
Notes

Knightly Tower Royal (#1E5DD6) 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 (219°, 75%, 48%) 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
#1e5dd6
RGB
rgb(30, 93, 214)
HSL
hsl(219, 75%, 48%)
HWB
hwb(219 12% 16%)
OKLCH
oklch(51.5% 0.197 261.8)
HSV
hsv(219, 86%, 84%)
LAB
lab(42.70% 26.38 -67.40)
LCH
lch(42.70% 72.37 291.37)
CMYK
cmyk(86%, 57%, 0%, 16%)

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.

Tower
modifier

Latin turris, tower. As a color modifier, tower implies a tall-fortified-or-cathedral-tower quality, the visual register of Tower-of-London-and-Italian-bell-tower hand-built tall-fortified-or-bell-tower medieval-and-Renaissance-tower architectural surfaces under medieval-and-Renaissance tower-and-belfry monumental light. Sits at the modifier-and-architecture end of the grid, parallel to turret and keep 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

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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.

#1e5dd6
Original
#006dda
Protanopia
#005dd4
Deuteranopia
#007c90
Tritanopia
#585858
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
5.85:1
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
3.59:1

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