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Buffered Iceberg

#405e60
Notes

Buffered Iceberg (#405E60) is a deep cyan 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 (184°, 20%, 31%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#405e60
RGB
rgb(64, 94, 96)
HSL
hsl(184, 20%, 31%)
HWB
hwb(184 25% 62%)
OKLCH
oklch(45.9% 0.035 201.2)
P3
color(display-p3 0.2763 0.3654 0.3742)
HSV
hsv(184, 33%, 38%)
LAB
lab(37.73% -10.43 -4.69)
LCH
lch(37.73% 11.43 204.20)
CMYK
cmyk(33%, 2%, 0%, 62%)

Etymology

Buffered
adjective

Old French buffer, to soften the impact — past-participle of buffer. As a color modifier, buffered implies a hushed-and-cushioned-and-impact-reduced quality where the hue carries the visual register of edge-eased-and-impact-softened design-element. Sits at the hushed-and-soft end of the grid, parallel to cushioned and softened in usage.

Iceberg
noun

Floating freshwater ice — calved from glaciers and ice shelves — characterized by the saturated pale blue of the underwater portion. The blue comes from the same Rayleigh scattering that colors the sky, intensified through compressed glacier ice. The color refers to a freshly calved Antarctic iceberg's underwater face: a saturated, slightly cool pale blue.

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.

#405e60
Original
#5a5b60
Protanopia
#545760
Deuteranopia
#34605e
Tritanopia
#585858
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).
AAAon White
7.03:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.99:1

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
##405E60
Display P3
Display P3
color(display-p3 0.2763 0.3654 0.3742)
Inside sRGBOKLCH chroma 0.035

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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