Palettes / Colors / #643DFD

#643DFD — Vivid Blue

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

#643DFD 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 #D7FD3F; it also sits naturally between #3F78FD and #C43FFD. 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 99%

Cyan 60% · Magenta 76% · Yellow 0% · Key 1%

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

Previews

CSS code for #643DFD

.text { color: #643DFD; }
.background { background-color: #643DFD; }
.border { border: 3px solid #643DFD; }
.text-rgb { color: rgb(100, 61, 253); }
.text-hsl { color: hsl(252, 98%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #643DFD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(100, 61, 253, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #643DFD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(100, 61, 253, 0.8); }

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

Shades of #643DFD

Tints of #643DFD

Tones of #643DFD

Color harmonies

Complementary — #D7FD3F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #643DFD: #FFFFFF.

How #643DFD 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 #643DFD 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

← #643DFC  ·  #643DFE →

Frequently asked questions

What color is #643DFD?

#643DFD is Vivid Blue, a blue color (RGB 100, 61, 253). Its closest standard named color is BlueViolet.

What is the RGB and HSL of #643DFD?

#643DFD is RGB 100, 61, 253 — HSL 252°, 98%, 62% — CMYK 60%, 76%, 0%, 1%.

What colors go with #643DFD?

Its complement is #D7FD3F; analogous partners are #3F78FD and #C43FFD. It also appears in 6+ palettes in our collection.

Can I use #643DFD for text?

White text on #643DFD has a contrast ratio of 5.79:1 (passes WCAG AA); black text gives 3.63:1.