Palettes / Colors / #511EFC

#511EFC — Vivid Blue

#511EFC is a blue color we call Vivid Blue, closest to the named color BlueViolet (#8A2BE2). It belongs to the blue family.

Color name

Closest CSS keyword: blueviolet (#8A2BE2) — not an exact match. CSS blueviolet gives you #8A2BE2, a different color; use #511EFC when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#511EFC 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 #C8FC1D; it also sits naturally between #1D58FC and #C01DFC. 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 32% · Green 12% · Blue 99%

Cyan 68% · Magenta 88% · Yellow 0% · Key 1%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #511EFC

.text { color: #511EFC; }
.background { background-color: #511EFC; }
.border { border: 3px solid #511EFC; }
.text-rgb { color: rgb(81, 30, 252); }
.text-hsl { color: hsl(254, 97%, 55%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #511EFC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 30, 252, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #511EFC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 30, 252, 0.8); }

HTML: <p style="color:#511EFC">Text here</p> · <div style="background-color:#511EFC">Div content here</div>

Shades of #511EFC

Tints of #511EFC

Tones of #511EFC

Color harmonies

Complementary — #C8FC1D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #511EFC: #FFFFFF.

Semi-transparent (opacity) text on #511EFC

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #511EFC 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 a similar color

These palettes use a close neighbour of #511EFC rather than the exact color:

Similar colors

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

Browse neighbouring colors

← #511EFB  ·  #511EFD →

Frequently asked questions

What color is #511EFC?

#511EFC is Vivid Blue, a blue color (RGB 81, 30, 252). Its closest standard named color is BlueViolet.

What is the RGB and HSL of #511EFC?

#511EFC is RGB 81, 30, 252 — HSL 254°, 97%, 55% — CMYK 68%, 88%, 0%, 1%.

What colors go with #511EFC?

Its complement is #C8FC1D; analogous partners are #1D58FC and #C01DFC. It also appears in 6+ palettes in our collection.

Can I use #511EFC for text?

White text on #511EFC has a contrast ratio of 7.14:1 (passes WCAG AA); black text gives 2.94:1.