Palettes / Colors / #613FF3

#613FF3 — Vivid Blue

#613FF3 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 #613FF3 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.

#613FF3 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 #D2F33F; it also sits naturally between #3F78F3 and #BA3FF3. 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 25% · Blue 95%

Cyan 60% · Magenta 74% · Yellow 0% · Key 5%

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

Previews

CSS code for #613FF3

.text { color: #613FF3; }
.background { background-color: #613FF3; }
.border { border: 3px solid #613FF3; }
.text-rgb { color: rgb(97, 63, 243); }
.text-hsl { color: hsl(251, 88%, 60%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #613FF3; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(97, 63, 243, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #613FF3; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(97, 63, 243, 0.8); }

HTML: <p style="color:#613FF3">Text here</p> · <div style="background-color:#613FF3">Div content here</div>

Shades of #613FF3

Tints of #613FF3

Tones of #613FF3

Color harmonies

Complementary — #D2F33F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #613FF3: #FFFFFF.

Semi-transparent (opacity) text on #613FF3

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 #613FF3 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 #613FF3 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

← #613FF2  ·  #613FF4 →

Frequently asked questions

What color is #613FF3?

#613FF3 is Vivid Blue, a blue color (RGB 97, 63, 243). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #613FF3?

#613FF3 is RGB 97, 63, 243 — HSL 251°, 88%, 60% — CMYK 60%, 74%, 0%, 5%.

What colors go with #613FF3?

Its complement is #D2F33F; analogous partners are #3F78F3 and #BA3FF3. It also appears in 6+ palettes in our collection.

Can I use #613FF3 for text?

White text on #613FF3 has a contrast ratio of 5.98:1 (passes WCAG AA); black text gives 3.51:1.