Palettes / Colors / #528EF9

#528EF9 — Vivid Blue

#528EF9 is a blue color we call Vivid Blue, closest to the named color CornflowerBlue (#6495ED). It belongs to the blue family.

Color name

Closest CSS keyword: cornflowerblue (#6495ED) — not an exact match. CSS cornflowerblue gives you #6495ED, a different color; use #528EF9 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.

#528EF9 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 #F9BC53; it also sits naturally between #53E3F9 and #6953F9. 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 32% · Green 56% · Blue 98%

Cyan 67% · Magenta 43% · Yellow 0% · Key 2%

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

Previews

CSS code for #528EF9

.text { color: #528EF9; }
.background { background-color: #528EF9; }
.border { border: 3px solid #528EF9; }
.text-rgb { color: rgb(82, 142, 249); }
.text-hsl { color: hsl(218, 93%, 65%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #528EF9; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(82, 142, 249, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #528EF9; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(82, 142, 249, 0.8); }

HTML: <p style="color:#528EF9">Text here</p> · <div style="background-color:#528EF9">Div content here</div>

Shades of #528EF9

Tints of #528EF9

Tones of #528EF9

Color harmonies

Complementary — #F9BC53:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #528EF9: #000000.

Semi-transparent (opacity) text on #528EF9

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 #528EF9 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 #528EF9 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

← #528EF8  ·  #528EFA →

Frequently asked questions

What color is #528EF9?

#528EF9 is Vivid Blue, a blue color (RGB 82, 142, 249). Its closest standard named color is CornflowerBlue.

What is the RGB and HSL of #528EF9?

#528EF9 is RGB 82, 142, 249 — HSL 218°, 93%, 65% — CMYK 67%, 43%, 0%, 2%.

What colors go with #528EF9?

Its complement is #F9BC53; analogous partners are #53E3F9 and #6953F9. It also appears in 6+ palettes in our collection.

Can I use #528EF9 for text?

Black text on #528EF9 has a contrast ratio of 6.60:1 (passes WCAG AA); white text gives 3.18:1.