Palettes / Colors / #425BFB

#425BFB — Vivid Blue

#425BFB is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

Color name

Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #425BFB 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.

#425BFB 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 #FBE241; it also sits naturally between #41B7FB and #8541FB. 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 26% · Green 36% · Blue 98%

Cyan 74% · Magenta 64% · Yellow 0% · Key 2%

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

Previews

CSS code for #425BFB

.text { color: #425BFB; }
.background { background-color: #425BFB; }
.border { border: 3px solid #425BFB; }
.text-rgb { color: rgb(66, 91, 251); }
.text-hsl { color: hsl(232, 96%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #425BFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(66, 91, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #425BFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(66, 91, 251, 0.8); }

HTML: <p style="color:#425BFB">Text here</p> · <div style="background-color:#425BFB">Div content here</div>

Shades of #425BFB

Tints of #425BFB

Tones of #425BFB

Color harmonies

Complementary — #FBE241:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #425BFB: #FFFFFF.

Semi-transparent (opacity) text on #425BFB

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 #425BFB 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 #425BFB 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

← #425BFA  ·  #425BFC →

Frequently asked questions

What color is #425BFB?

#425BFB is Vivid Blue, a blue color (RGB 66, 91, 251). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #425BFB?

#425BFB is RGB 66, 91, 251 — HSL 232°, 96%, 62% — CMYK 74%, 64%, 0%, 2%.

What colors go with #425BFB?

Its complement is #FBE241; analogous partners are #41B7FB and #8541FB. It also appears in 6+ palettes in our collection.

Can I use #425BFB for text?

White text on #425BFB has a contrast ratio of 5.10:1 (passes WCAG AA); black text gives 4.12:1.