Steel Blue color: #4682b4
The CSS keyword steelblue is #4682b4, rgb(70, 130, 180) or hsl(207, 44%, 49%). Its codes to copy, 50–950 tint scale, harmonies and contrast on white and black.
Part of design tools.
About Steel Blue
Steel Blue is a mid-tone blue. Its hue sits at 246° in OKLCH and 207° in HSL — the two wheels are spaced differently, which is why the numbers disagree.
The keyword steelblue comes from the X Window System color list, which SVG 1.0 adopted and CSS Color Level 3 brought to every stylesheet.
Steel Blue tint scale, 50 to 950
Eleven steps at fixed perceived lightness, in OKLCH, holding steelblue’s own hue from end to end. The keyword itself falls closest to step 500 (#508cbe), the one outlined.
Harmonies built on Steel Blue
Hue angles measured in OKLCH, so every accent keeps steelblue’s perceived lightness. Its complement is #a57037, closest to the named color sienna.
Complementary
Analogous
Triadic
Split-complementary
Steel Blue on white and on black
Black text reads better on steelblue (5.11:1). As a text color it belongs on a dark background: on white it only reaches 4.10:1, under the 4.5:1 that body text needs, while on black it reaches 5.11:1. AA asks 4.5:1 for body text and 3:1 for large text; AAA asks 7:1.
Named colors close to Steel Blue
Open steelblue in the full tools
- Open in Color Converter — convert it to any other notation.
- Open in Palette Generator — export its scale as --steelblue-50 … --steelblue-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.