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Restful Bluestem

#3f5244
Notes

Restful Bluestem (#3F5244) is a deep green 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 (136°, 13%, 28%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3f5244
RGB
rgb(63, 82, 68)
HSL
hsl(136, 13%, 28%)
HWB
hwb(136 25% 68%)
OKLCH
oklch(41.8% 0.033 152.9)
P3
color(display-p3 0.2621 0.3194 0.2708)
HSV
hsv(136, 23%, 32%)
LAB
lab(32.94% -10.64 5.83)
LCH
lch(32.94% 12.13 151.28)
CMYK
cmyk(23%, 0%, 17%, 68%)

Etymology

Restful
adjective

An adjectival form of rest — used as a color modifier since the seventeenth century for hues that read as visually relaxing. Restful green, restful blue: low-to-moderate saturation combined with optical calmness. Sits at the hushed-bucket alongside quiet and gentle.

Bluestem
noun

The genera Andropogon and Schizachyrium — North American native prairie grasses whose stems shift from green to blue-purple in autumn. The color refers to S. scoparium (little bluestem) in midsummer: a soft, slightly cool blue-green-gray with the matte finish of upright prairie grass.

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.

#3f5244
Original
#524f43
Protanopia
#4f4d45
Deuteranopia
#3c514e
Tritanopia
#4d4d4d
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
8.39:1
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
2.50:1

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
##3F5244
Display P3
Display P3
color(display-p3 0.2621 0.3194 0.2708)
Inside sRGBOKLCH chroma 0.033

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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