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Murmured Surf

#648c98
Notes

Murmured Surf (#648C98) is a true 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 (194°, 21%, 49%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#648c98
RGB
rgb(100, 140, 152)
HSL
hsl(194, 21%, 49%)
HWB
hwb(194 39% 40%)
OKLCH
oklch(61.5% 0.048 218.4)
P3
color(display-p3 0.4254 0.5447 0.5900)
HSV
hsv(194, 34%, 60%)
LAB
lab(55.82% -10.69 -10.80)
LCH
lch(55.82% 15.20 225.31)
CMYK
cmyk(34%, 8%, 0%, 40%)

Etymology

Murmured
adjective

Latin murmurāre, to murmur — past-participle of murmur. As a color modifier, murmured implies a hushed-and-soft-spoken-and-quiet quality where the hue carries the visual register of soft-and-quiet-conversation ambient color. Sits at the hushed-and-soft end of the grid, parallel to whispered and softened in usage.

Surf
noun

The white water produced where waves break — bubbles of compressed air carried in shallow water and dispersing as the wave reforms. The color refers to surf retreating across wet sand: a soft, very pale blue-green with the optical brightness of bubble dispersion. Lighter than seafoam, cooler than frost, with the kinetic weight of a color that's never still — every photograph of surf is already obsolete.

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.

#648c98
Original
#848999
Protanopia
#7c8398
Deuteranopia
#529090
Tritanopia
#848484
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).
AA Largeon White
3.65:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.75:1

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
##648C98
Display P3
Display P3
color(display-p3 0.4254 0.5447 0.5900)
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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