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Lionhearted Capri

#3565b8
Notes

Lionhearted Capri (#3565B8) 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%, 46%) 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
#3565b8
RGB
rgb(53, 101, 184)
HSL
hsl(218, 55%, 46%)
HWB
hwb(218 21% 28%)
OKLCH
oklch(51.7% 0.141 260.5)
P3
color(display-p3 0.2537 0.3915 0.6989)
HSV
hsv(218, 71%, 72%)
LAB
lab(43.54% 12.17 -48.67)
LCH
lch(43.54% 50.17 284.04)
CMYK
cmyk(71%, 45%, 0%, 28%)

Etymology

Lionhearted
adjective

Old English lēona-heorte, lion's-heart — referring to Richard I Lionheart (1157–1199). As a color modifier, lionhearted implies a saturated-and-courageous-and-royal quality, the deep-rich color of Crusader-period English Plantagenet-royalty armorial bearings. Sits at the bold-and-chivalrous end of the grid, parallel to valiant and heroic.

Capri
noun

The Italian island in the Bay of Naples whose Blue Grotto — a sea cave where light enters through an underwater opening — turns the water inside an electric, otherworldly blue. The color refers to the water of the Grotta Azzurra: a saturated, slightly green-shifted electric blue with the optical clarity of light filtered through twenty meters of seawater. Brighter than aqua, more chromatic than turquoise, with the tourist-destination association of a single specific cave.

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.

#3565b8
Original
#3b6dbb
Protanopia
#2261b6
Deuteranopia
#007885
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
5.67:1
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
3.70:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##3565B8
Display P3
Display P3
color(display-p3 0.2537 0.3915 0.6989)
P3 has subtle headroomOKLCH chroma 0.141

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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