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Muffled Caribbean

#648d99
Notes

Muffled Caribbean (#648D99) 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%, 50%) 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
#648d99
RGB
rgb(100, 141, 153)
HSL
hsl(194, 21%, 50%)
HWB
hwb(194 39% 40%)
OKLCH
oklch(61.8% 0.049 217.9)
P3
color(display-p3 0.4264 0.5485 0.5939)
HSV
hsv(194, 35%, 60%)
LAB
lab(56.15% -10.98 -10.89)
LCH
lch(56.15% 15.46 224.75)
CMYK
cmyk(35%, 8%, 0%, 40%)

Etymology

Muffled
adjective

Old French moufle, mitten / muff — past-participle of muffle. As a color modifier, muffled implies a hushed-and-sound-dampened-and-quieted quality where the hue carries the visual register of fabric-wrapped-and-quieted ambient-environment color. Sits at the hushed-and-soft end of the grid, parallel to dampened and softened in usage.

Caribbean
noun

The Caribbean Sea — the tropical basin between the Gulf of Mexico and the Atlantic, ringed by Cuba, Hispaniola, the Lesser Antilles, and the Central American mainland. The color refers to mid-depth Caribbean water on a sunny day: a saturated, slightly muted blue-green with the optical complexity of pure water filtered through coral sand. Cooler than turquoise, warmer than azure, with the postcard weight of a sea named for its indigenous people.

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.

#648d99
Original
#858a9a
Protanopia
#7d8499
Deuteranopia
#519191
Tritanopia
#858585
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
3.61:1
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
5.81:1

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
##648D99
Display P3
Display P3
color(display-p3 0.4264 0.5485 0.5939)
Inside sRGBOKLCH chroma 0.049

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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