Palettes / Colors / #528BDB

#528BDB — Blue

#528BDB is a blue color we call 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 #528BDB 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.

#528BDB 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 #DBA251; it also sits naturally between #51D0DB and #5D51DB. 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 32% · Green 55% · Blue 86%

Cyan 63% · Magenta 37% · Yellow 0% · Key 14%

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

Previews

CSS code for #528BDB

.text { color: #528BDB; }
.background { background-color: #528BDB; }
.border { border: 3px solid #528BDB; }
.text-rgb { color: rgb(82, 139, 219); }
.text-hsl { color: hsl(215, 66%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #528BDB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(82, 139, 219, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #528BDB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(82, 139, 219, 0.8); }

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

Shades of #528BDB

Tints of #528BDB

Tones of #528BDB

Color harmonies

Complementary — #DBA251:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #528BDB: #000000.

Semi-transparent (opacity) text on #528BDB

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 #528BDB 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 #528BDB 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

← #528BDA  ·  #528BDC →

Frequently asked questions

What color is #528BDB?

#528BDB is Blue, a blue color (RGB 82, 139, 219). Its closest standard named color is CornflowerBlue.

What is the RGB and HSL of #528BDB?

#528BDB is RGB 82, 139, 219 — HSL 215°, 66%, 59% — CMYK 63%, 37%, 0%, 14%.

What colors go with #528BDB?

Its complement is #DBA251; analogous partners are #51D0DB and #5D51DB. It also appears in 6+ palettes in our collection.

Can I use #528BDB for text?

Black text on #528BDB has a contrast ratio of 6.07:1 (passes WCAG AA); white text gives 3.46:1.