Palettes / Colors / #643DFE

#643DFE — Vivid Blue

#643DFE is a blue color we call Vivid Blue, closest to the named color BlueViolet (#8A2BE2). It belongs to the blue family.

#643DFE 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 #D8FE3E; it also sits naturally between #3E78FE and #C43EFE. 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 39% · Green 24% · Blue 100%

Cyan 61% · Magenta 76% · Yellow 0% · Key 0%

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

Previews

CSS code for #643DFE

.text { color: #643DFE; }
.background { background-color: #643DFE; }
.border { border: 3px solid #643DFE; }
.text-rgb { color: rgb(100, 61, 254); }
.text-hsl { color: hsl(252, 99%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #643DFE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(100, 61, 254, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #643DFE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(100, 61, 254, 0.8); }

HTML: <p style="color:#643DFE">Text here</p> · <div style="background-color:#643DFE">Div content here</div>

Shades of #643DFE

Tints of #643DFE

Tones of #643DFE

Color harmonies

Complementary — #D8FE3E:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #643DFE: #FFFFFF.

How #643DFE 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 #643DFE 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

← #643DFD  ·  #643DFF →

Frequently asked questions

What color is #643DFE?

#643DFE is Vivid Blue, a blue color (RGB 100, 61, 254). Its closest standard named color is BlueViolet.

What is the RGB and HSL of #643DFE?

#643DFE is RGB 100, 61, 254 — HSL 252°, 99%, 62% — CMYK 61%, 76%, 0%, 0%.

What colors go with #643DFE?

Its complement is #D8FE3E; analogous partners are #3E78FE and #C43EFE. It also appears in 6+ palettes in our collection.

Can I use #643DFE for text?

White text on #643DFE has a contrast ratio of 5.77:1 (passes WCAG AA); black text gives 3.64:1.