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Resounding Anemone

#6553df
Notes

Resounding Anemone (#6553DF) is a true blue with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (248°, 69%, 60%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#6553df
RGB
rgb(101, 83, 223)
HSL
hsl(248, 69%, 60%)
HWB
hwb(248 33% 13%)
OKLCH
oklch(54.1% 0.204 283.0)
HSV
hsv(248, 63%, 87%)
LAB
lab(44.63% 44.60 -69.23)
LCH
lch(44.63% 82.35 302.80)
CMYK
cmyk(55%, 63%, 0%, 13%)

Etymology

Resounding
adjective

Latin resonāre, to echo back — present-participle of resound. As a color modifier, resounding implies a saturated-and-echoing-and-imposing quality where the hue reverberates visually like a cathedral-bell ring. Sits at the bold-and-resonant end of the grid, parallel to resonant and booming in usage.

Anemone
noun

The genus Anemone — Greek for windflower, the small spring perennial whose papery petals tremble in the slightest breeze. The color refers to a fresh deep-purple Anemone coronaria in March bloom: a saturated, slightly red-shifted deep purple-blue with the satiny finish of a five-petaled cup. Cooler than amethyst, warmer than indigo, with the Mediterranean-garden weight of a flower painted in Persian miniature and Italian fresco alike.

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.

#6553df
Original
#006ee3
Protanopia
#0065dc
Deuteranopia
#2c7591
Tritanopia
#616161
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
5.45:1
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
3.86:1

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