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Resounding Boracay

#315daa
Notes

Resounding Boracay (#315DAA) is a true azure with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (218°, 55%, 43%) 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
#315daa
RGB
rgb(49, 93, 170)
HSL
hsl(218, 55%, 43%)
HWB
hwb(218 19% 33%)
OKLCH
oklch(48.8% 0.133 260.7)
HSV
hsv(218, 71%, 67%)
LAB
lab(40.22% 11.50 -45.79)
LCH
lch(40.22% 47.21 284.10)
CMYK
cmyk(71%, 45%, 0%, 33%)

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.

Boracay
noun

The Philippine resort island in the western Visayas — and the saturated deep blue of White Beach lagoon water and the surrounding Sulu Sea. Boracay refers to White Beach lagoon at midday: a saturated, slightly cool deep blue with the optical clarity of warm Pacific water against pure white silica sand.

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.

#315daa
Original
#3665ad
Protanopia
#1f5aa8
Deuteranopia
#006f7b
Tritanopia
#595959
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
6.41:1
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
3.28:1

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