Palettes / Colors / #0000FF

#0000FF — Vivid Blue

#0000FF is the named color Blue. It belongs to the blue family.

#0000FF is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #FFFF00; it also sits naturally between #0080FF and #8000FF. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 0% · Green 0% · Blue 100%

Cyan 100% · Magenta 100% · Yellow 0% · Key 0%

Previews

CSS code for #0000FF

.text { color: #0000FF; }
.background { background-color: #0000FF; }
.border { border: 3px solid #0000FF; }
.text-rgb { color: rgb(0, 0, 255); }
.text-hsl { color: hsl(240, 100%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #0000FF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(0, 0, 255, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #0000FF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(0, 0, 255, 0.8); }

HTML: <p style="color:#0000FF">Text here</p> · <div style="background-color:#0000FF">Div content here</div>

Shades of #0000FF

Tints of #0000FF

Tones of #0000FF

Color harmonies

Complementary — #FFFF00:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #0000FF: #FFFFFF.

How #0000FF looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with #0000FF or a close neighbour

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #0000FE  ·  #000100 →

Frequently asked questions

What color is #0000FF?

#0000FF is Vivid Blue, a blue color (RGB 0, 0, 255). Its closest standard named color is Blue.

What is the RGB and HSL of #0000FF?

#0000FF is RGB 0, 0, 255 — HSL 240°, 100%, 50% — CMYK 100%, 100%, 0%, 0%.

What colors go with #0000FF?

Its complement is #FFFF00; analogous partners are #0080FF and #8000FF. It also appears in 6+ palettes in our collection.

Can I use #0000FF for text?

White text on #0000FF has a contrast ratio of 8.59:1 (passes WCAG AA); black text gives 2.44:1.