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Lapsing Alpine

#557488
Notes

Lapsing Alpine (#557488) 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 (204°, 23%, 43%) places it in the muted 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#557488
RGB
rgb(85, 116, 136)
HSL
hsl(204, 23%, 43%)
HWB
hwb(204 33% 47%)
OKLCH
oklch(54.3% 0.048 237.1)
P3
color(display-p3 0.3587 0.4515 0.5255)
HSV
hsv(204, 38%, 53%)
LAB
lab(47.23% -5.80 -14.50)
LCH
lch(47.23% 15.62 248.20)
CMYK
cmyk(38%, 15%, 0%, 47%)

Etymology

Lapsing
adjective

Latin lāpsus, fall — present-participle of lapse. As a color modifier, lapsing implies a hushed-and-slipping-and-receding quality where the hue carries the visual register of gradually-slipping-and-falling-from-attention period-correct color. Sits at the hushed-and-fading end of the grid, parallel to fading and waning in usage.

Alpine
noun

Of the Alps, the European mountain range — and the saturated blue of Alpine lake water (Lake Geneva, Lake Como, Lake Brienz) fed by glacier-melt. Alpine color refers to Lake Brienz at midday: a saturated, slightly cool deep blue with the optical clarity of glacier-fed alpine lake water.

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.

#557488
Original
#6b7389
Protanopia
#646e88
Deuteranopia
#43797a
Tritanopia
#6f6f6f
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
4.95:1
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
4.24:1

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
##557488
Display P3
Display P3
color(display-p3 0.3587 0.4515 0.5255)
Inside sRGBOKLCH chroma 0.048

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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