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Reflective Slate

#6d838a
Notes

Reflective Slate (#6D838A) 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°, 12%, 48%) 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
#6d838a
RGB
rgb(109, 131, 138)
HSL
hsl(194, 12%, 48%)
HWB
hwb(194 43% 46%)
OKLCH
oklch(59.5% 0.028 219.0)
P3
color(display-p3 0.4443 0.5112 0.5375)
HSV
hsv(194, 21%, 54%)
LAB
lab(53.30% -6.29 -6.41)
LCH
lch(53.30% 8.98 225.55)
CMYK
cmyk(21%, 5%, 0%, 46%)

Etymology

Reflective
adjective

Latin reflectere, to bend back — adjectival suffix -ive. As a color modifier, reflective implies a hushed-and-thoughtful-and-mirroring quality where the hue carries the visual register of Quaker-and-Friends-meeting-house still-and-meditative interior-architecture. Sits at the hushed-and-still end of the grid, parallel to meditative 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.

#6d838a
Original
#7e818a
Protanopia
#7a7e8a
Deuteranopia
#658685
Tritanopia
#7f7f7f
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
3.99:1
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
5.26:1

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
##6D838A
Display P3
Display P3
color(display-p3 0.4443 0.5112 0.5375)
Inside sRGBOKLCH chroma 0.028

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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