Palettes / Colors / #623BFB

#623BFB — Vivid Blue

#623BFB 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 #623BFB 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.

#623BFB 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 #D5FB3C; it also sits naturally between #3C75FB and #C23CFB. 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 38% · Green 23% · Blue 98%

Cyan 61% · Magenta 76% · Yellow 0% · Key 2%

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

Previews

CSS code for #623BFB

.text { color: #623BFB; }
.background { background-color: #623BFB; }
.border { border: 3px solid #623BFB; }
.text-rgb { color: rgb(98, 59, 251); }
.text-hsl { color: hsl(252, 96%, 61%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #623BFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(98, 59, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #623BFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(98, 59, 251, 0.8); }

HTML: <p style="color:#623BFB">Text here</p> · <div style="background-color:#623BFB">Div content here</div>

Shades of #623BFB

Tints of #623BFB

Tones of #623BFB

Color harmonies

Complementary — #D5FB3C:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #623BFB: #FFFFFF.

Semi-transparent (opacity) text on #623BFB

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 #623BFB 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 #623BFB 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

← #623BFA  ·  #623BFC →

Frequently asked questions

What color is #623BFB?

#623BFB is Vivid Blue, a blue color (RGB 98, 59, 251). Its closest standard named color is BlueViolet.

What is the RGB and HSL of #623BFB?

#623BFB is RGB 98, 59, 251 — HSL 252°, 96%, 61% — CMYK 61%, 76%, 0%, 2%.

What colors go with #623BFB?

Its complement is #D5FB3C; analogous partners are #3C75FB and #C23CFB. It also appears in 6+ palettes in our collection.

Can I use #623BFB for text?

White text on #623BFB has a contrast ratio of 5.94:1 (passes WCAG AA); black text gives 3.54:1.