Palettes / Colors / #604FFA

#604FFA — Vivid Blue

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

Color name

Closest CSS keyword: slateblue (#6A5ACD) — not an exact match. CSS slateblue gives you #6A5ACD, a different color; use #604FFA 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.

#604FFA 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 #E9FA52; it also sits naturally between #5295FA and #B752FA. 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 31% · Blue 98%

Cyan 62% · Magenta 68% · Yellow 0% · Key 2%

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

Previews

CSS code for #604FFA

.text { color: #604FFA; }
.background { background-color: #604FFA; }
.border { border: 3px solid #604FFA; }
.text-rgb { color: rgb(96, 79, 250); }
.text-hsl { color: hsl(246, 94%, 65%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #604FFA; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(96, 79, 250, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #604FFA; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(96, 79, 250, 0.8); }

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

Shades of #604FFA

Tints of #604FFA

Tones of #604FFA

Color harmonies

Complementary — #E9FA52:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #604FFA: #FFFFFF.

Semi-transparent (opacity) text on #604FFA

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 #604FFA 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 #604FFA 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

← #604FF9  ·  #604FFB →

Frequently asked questions

What color is #604FFA?

#604FFA is Vivid Blue, a blue color (RGB 96, 79, 250). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #604FFA?

#604FFA is RGB 96, 79, 250 — HSL 246°, 94%, 65% — CMYK 62%, 68%, 0%, 2%.

What colors go with #604FFA?

Its complement is #E9FA52; analogous partners are #5295FA and #B752FA. It also appears in 6+ palettes in our collection.

Can I use #604FFA for text?

White text on #604FFA has a contrast ratio of 5.26:1 (passes WCAG AA); black text gives 4.00:1.