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Bulky Dale Royal

#255ed8
Notes

Bulky Dale Royal (#255ED8) 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 (221°, 71%, 50%) 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
#255ed8
RGB
rgb(37, 94, 216)
HSL
hsl(221, 71%, 50%)
HWB
hwb(221 15% 15%)
OKLCH
oklch(52.1% 0.197 262.7)
HSV
hsv(221, 83%, 85%)
LAB
lab(43.29% 27.00 -67.57)
LCH
lch(43.29% 72.76 291.78)
CMYK
cmyk(83%, 56%, 0%, 15%)

Etymology

Bulky
adjective

Old Norse búlki, cargo / mass — adjectival suffix -y. As a color modifier, bulky implies a saturated-and-massive-and-occupying quality where the hue takes up visual space with broad-and-heavy presence. Sits at the bold-and-weighty end of the grid, parallel to hefty and substantial in usage.

Dale
modifier

Old English dæl, valley. As a color modifier, dale implies a Yorkshire-pastoral-valley quality, the visual register of Yorkshire-and-Derbyshire-Dales limestone-walled river-valley pasture-and-stone-wall pastoral surfaces in slow-river-cut Northern-English Dale-country light. Sits at the modifier-and-place end of the grid, parallel to vale and glen 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.

#255ed8
Original
#006fdc
Protanopia
#005ed6
Deuteranopia
#007d92
Tritanopia
#5b5b5b
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
5.72:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.67:1

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