Palettes / Colors / #3907DF

#3907DF — Vivid Blue

#3907DF 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 #3907DF 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.

#3907DF 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 #ACDF07; it also sits naturally between #0740DF and #A507DF. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 22% · Green 3% · Blue 87%

Cyan 74% · Magenta 97% · Yellow 0% · Key 13%

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

Previews

CSS code for #3907DF

.text { color: #3907DF; }
.background { background-color: #3907DF; }
.border { border: 3px solid #3907DF; }
.text-rgb { color: rgb(57, 7, 223); }
.text-hsl { color: hsl(254, 94%, 45%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3907DF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(57, 7, 223, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3907DF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(57, 7, 223, 0.8); }

HTML: <p style="color:#3907DF">Text here</p> · <div style="background-color:#3907DF">Div content here</div>

Shades of #3907DF

Tints of #3907DF

Tones of #3907DF

Color harmonies

Complementary — #ACDF07:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3907DF: #FFFFFF.

Semi-transparent (opacity) text on #3907DF

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 #3907DF 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 #3907DF 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

← #3907DE  ·  #3907E0 →

Frequently asked questions

What color is #3907DF?

#3907DF is Vivid Blue, a blue color (RGB 57, 7, 223). Its closest standard named color is Blue.

What is the RGB and HSL of #3907DF?

#3907DF is RGB 57, 7, 223 — HSL 254°, 94%, 45% — CMYK 74%, 97%, 0%, 13%.

What colors go with #3907DF?

Its complement is #ACDF07; analogous partners are #0740DF and #A507DF. It also appears in 6+ palettes in our collection.

Can I use #3907DF for text?

White text on #3907DF has a contrast ratio of 9.25:1 (passes WCAG AA); black text gives 2.27:1.