Palettes / Colors / #3604EC

#3604EC — Vivid Blue

#3604EC is a blue color we call Vivid Blue, closest to the named color Blue (#0000FF). It belongs to the blue family.

Color name

Closest CSS keyword: blue (#0000FF) — not an exact match. CSS blue gives you #0000FF, a different color; use #3604EC 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.

#3604EC 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 #BAEC04; it also sits naturally between #0445EC and #AA04EC. 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 21% · Green 2% · Blue 93%

Cyan 77% · Magenta 98% · Yellow 0% · Key 7%

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

Previews

CSS code for #3604EC

.text { color: #3604EC; }
.background { background-color: #3604EC; }
.border { border: 3px solid #3604EC; }
.text-rgb { color: rgb(54, 4, 236); }
.text-hsl { color: hsl(253, 97%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3604EC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(54, 4, 236, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3604EC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(54, 4, 236, 0.8); }

HTML: <p style="color:#3604EC">Text here</p> · <div style="background-color:#3604EC">Div content here</div>

Shades of #3604EC

Tints of #3604EC

Tones of #3604EC

Color harmonies

Complementary — #BAEC04:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3604EC: #FFFFFF.

Semi-transparent (opacity) text on #3604EC

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 #3604EC 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 #3604EC 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

← #3604EB  ·  #3604ED →

Frequently asked questions

What color is #3604EC?

#3604EC is Vivid Blue, a blue color (RGB 54, 4, 236). Its closest standard named color is Blue.

What is the RGB and HSL of #3604EC?

#3604EC is RGB 54, 4, 236 — HSL 253°, 97%, 47% — CMYK 77%, 98%, 0%, 7%.

What colors go with #3604EC?

Its complement is #BAEC04; analogous partners are #0445EC and #AA04EC. It also appears in 6+ palettes in our collection.

Can I use #3604EC for text?

White text on #3604EC has a contrast ratio of 8.80:1 (passes WCAG AA); black text gives 2.39:1.