colors
Back to gallery

Reposed Slate

#3f5d6f
Notes

Reposed Slate (#3F5D6F) is a deep azure 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 (203°, 28%, 34%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3f5d6f
RGB
rgb(63, 93, 111)
HSL
hsl(203, 28%, 34%)
HWB
hwb(203 25% 56%)
OKLCH
oklch(46.2% 0.046 235.5)
P3
color(display-p3 0.2724 0.3615 0.4282)
HSV
hsv(203, 43%, 44%)
LAB
lab(37.90% -5.86 -13.71)
LCH
lch(37.90% 14.91 246.87)
CMYK
cmyk(43%, 16%, 0%, 56%)

Etymology

Reposed
adjective

Latin repōnere, to put back — past-participle of repose. As a color modifier, reposed implies a hushed-and-restful-and-still quality where the hue carries the visual register of pre-modern monastic Cistercian-Cloister meditative-and-still interior-architecture. Sits at the hushed-and-still end of the grid, parallel to restful and contemplative in usage.

Slate
noun

A fine-grained metamorphic rock formed from compressed shale — fissile, durable, and the standard roofing material for Welsh and Vermont houses since the nineteenth century. The color refers to a freshly split piece of Welsh slate: a soft, slightly muted gray-blue with the matte finish of a layered mineral cleavage. Cooler than steel, lighter than navy, with the architectural weight of a roof material that lasts a hundred years.

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.

#3f5d6f
Original
#555c70
Protanopia
#4e576f
Deuteranopia
#2c6263
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).
AAon White
6.98:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.01:1

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
##3F5D6F
Display P3
Display P3
color(display-p3 0.2724 0.3615 0.4282)
Inside sRGBOKLCH chroma 0.046

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.

Related Colors

Canvas