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Murmuring Hydrangea

#3b5b5f
Notes

Murmuring Hydrangea (#3B5B5F) 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 (187°, 23%, 30%) 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
#3b5b5f
RGB
rgb(59, 91, 95)
HSL
hsl(187, 23%, 30%)
HWB
hwb(187 23% 63%)
OKLCH
oklch(44.8% 0.038 205.8)
P3
color(display-p3 0.2590 0.3535 0.3695)
HSV
hsv(187, 38%, 37%)
LAB
lab(36.44% -10.53 -6.03)
LCH
lch(36.44% 12.13 209.78)
CMYK
cmyk(38%, 4%, 0%, 63%)

Etymology

Murmuring
adjective

Latin murmurāre, to murmur — present-participle of murmur. As a color modifier, murmuring implies a hushed-and-soft-spoken-and-low-volume quality where the hue carries the visual register of soft-and-low-conversation ambient color-tone. Sits at the hushed-and-soft end of the grid, parallel to whispering and susurrant in usage.

Hydrangea
noun

The genus Hydrangea — particularly H. macrophylla, whose flower color depends on soil pH (acidic = blue, alkaline = pink). The color refers to a blue-bloom H. macrophylla in acidic-soil garden: a saturated, slightly cool deep blue-violet with the matte finish of clustered four-petaled florets.

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.

#3b5b5f
Original
#56585f
Protanopia
#50545f
Deuteranopia
#2d5e5c
Tritanopia
#545454
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
7.37:1
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
2.85:1

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
##3B5B5F
Display P3
Display P3
color(display-p3 0.2590 0.3535 0.3695)
Inside sRGBOKLCH chroma 0.038

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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