Palettes / Colors / #604BFB

#604BFB — Vivid Blue

#604BFB is a blue color we call Vivid Blue, closest to the named color SlateBlue (#6A5ACD). It belongs to the blue family.

#604BFB 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 #E7FB4B; it also sits naturally between #4B8FFB and #B84BFB. 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 29% · Blue 98%

Cyan 62% · Magenta 70% · Yellow 0% · Key 2%

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

Previews

CSS code for #604BFB

.text { color: #604BFB; }
.background { background-color: #604BFB; }
.border { border: 3px solid #604BFB; }
.text-rgb { color: rgb(96, 75, 251); }
.text-hsl { color: hsl(247, 96%, 64%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #604BFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(96, 75, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #604BFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(96, 75, 251, 0.8); }

HTML: <p style="color:#604BFB">Text here</p> · <div style="background-color:#604BFB">Div content here</div>

Shades of #604BFB

Tints of #604BFB

Tones of #604BFB

Color harmonies

Complementary — #E7FB4B:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #604BFB: #FFFFFF.

How #604BFB 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 #604BFB 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

← #604BFA  ·  #604BFC →

Frequently asked questions

What color is #604BFB?

#604BFB is Vivid Blue, a blue color (RGB 96, 75, 251). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #604BFB?

#604BFB is RGB 96, 75, 251 — HSL 247°, 96%, 64% — CMYK 62%, 70%, 0%, 2%.

What colors go with #604BFB?

Its complement is #E7FB4B; analogous partners are #4B8FFB and #B84BFB. It also appears in 6+ palettes in our collection.

Can I use #604BFB for text?

White text on #604BFB has a contrast ratio of 5.39:1 (passes WCAG AA); black text gives 3.90:1.