Palettes / Colors / #528BBD

#528BBD — Muted Blue

#528BBD is a blue color we call Muted Blue, closest to the named color SteelBlue (#4682B4). It belongs to the blue family.

Color name

Closest CSS keyword: steelblue (#4682B4) — not an exact match. CSS steelblue gives you #4682B4, a different color; use #528BBD 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.

#528BBD is a cool blue color associated with trust, calm and professionalism. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #BD8451; it also sits naturally between #51BDB9 and #5155BD. 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 74%

Cyan 57% · Magenta 26% · Yellow 0% · Key 26%

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

Previews

CSS code for #528BBD

.text { color: #528BBD; }
.background { background-color: #528BBD; }
.border { border: 3px solid #528BBD; }
.text-rgb { color: rgb(82, 139, 189); }
.text-hsl { color: hsl(208, 45%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #528BBD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(82, 139, 189, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #528BBD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(82, 139, 189, 0.8); }

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

Shades of #528BBD

Tints of #528BBD

Tones of #528BBD

Color harmonies

Complementary — #BD8451:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #528BBD: #000000.

Semi-transparent (opacity) text on #528BBD

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 #528BBD 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 #528BBD 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

← #528BBC  ·  #528BBE →

Frequently asked questions

What color is #528BBD?

#528BBD is Muted Blue, a blue color (RGB 82, 139, 189). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #528BBD?

#528BBD is RGB 82, 139, 189 — HSL 208°, 45%, 53% — CMYK 57%, 26%, 0%, 26%.

What colors go with #528BBD?

Its complement is #BD8451; analogous partners are #51BDB9 and #5155BD. It also appears in 6+ palettes in our collection.

Can I use #528BBD for text?

Black text on #528BBD has a contrast ratio of 5.79:1 (passes WCAG AA); white text gives 3.63:1.