Deep Sky Blue color: #00bfff
The CSS keyword deepskyblue is #00bfff, rgb(0, 191, 255) or hsl(195, 100%, 50%). Its codes to copy, 50–950 tint scale, harmonies and contrast on white and black.
Part of design tools.
About Deep Sky Blue
Deep Sky Blue is a light blue. Its hue sits at 232° in OKLCH and 195° in HSL — the two wheels are spaced differently, which is why the numbers disagree.
The keyword deepskyblue comes from the X Window System color list, which SVG 1.0 adopted and CSS Color Level 3 brought to every stylesheet.
Deep Sky Blue tint scale, 50 to 950
Eleven steps at fixed perceived lightness, in OKLCH, holding deepskyblue’s own hue from end to end. The keyword itself falls closest to step 400 (#00b0eb), the one outlined; step 500 is #0092c4.
Harmonies built on Deep Sky Blue
Hue angles measured in OKLCH, so every accent keeps deepskyblue’s perceived lightness. Its complement is #fa904a, closest to the named color darkorange.
Complementary
Analogous
Triadic
Split-complementary
Deep Sky Blue on white and on black
Black text reads better on deepskyblue (9.89:1). As a text color it belongs on a dark background: on white it only reaches 2.12:1, under the 4.5:1 that body text needs, while on black it reaches 9.89:1. AA asks 4.5:1 for body text and 3:1 for large text; AAA asks 7:1.
Named colors close to Deep Sky Blue
Open deepskyblue in the full tools
- Open in Color Converter — convert it to any other notation.
- Open in Palette Generator — export its scale as --deepskyblue-50 … --deepskyblue-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.