Dark Slate Gray color: #2f4f4f
The CSS keyword darkslategray (also written darkslategrey) is #2f4f4f, rgb(47, 79, 79) or hsl(180, 25%, 25%). Its codes to copy, 50–950 tint scale, harmonies and contrast on white and black.
Part of design tools.
About Dark Slate Gray
Dark Slate Gray is a grayish dark cyan. Its hue sits at 196° in OKLCH and 180° in HSL — the two wheels are spaced differently, which is why the numbers disagree.
The keyword darkslategray comes from the X Window System color list, which SVG 1.0 adopted and CSS Color Level 3 brought to every stylesheet. It can also be written darkslategrey: same value, and both spellings work in any stylesheet.
Dark Slate Gray tint scale, 50 to 950
Eleven steps at fixed perceived lightness, in OKLCH, holding darkslategray’s own hue from end to end. The keyword itself falls closest to step 700 (#3b5959), the one outlined; step 500 is #6c8e8d.
Harmonies built on Dark Slate Gray
Hue angles measured in OKLCH, so every accent keeps darkslategray’s perceived lightness. Its complement is #5b4042, closest to the named color darkslategray.
Complementary
Analogous
Triadic
Split-complementary
Dark Slate Gray on white and on black
White text reads better on darkslategray (8.92:1). As a text color it is readable on a white page (8.92:1, AAA). AA asks 4.5:1 for body text and 3:1 for large text; AAA asks 7:1.
Named colors close to Dark Slate Gray
Open darkslategray in the full tools
- Open in Color Converter — convert it to any other notation.
- Open in Palette Generator — export its scale as --darkslategray-50 … --darkslategray-950 tokens.
- Open in Color Harmonies — turn the wheel and compare OKLCH with HSL.
- Open in Contrast Checker — test it against any background, with the closest passing shade.
- Open in Color System Generator — derive a light and dark token set from it.
Or browse every named color from the color converter.