Palettes / Colors / #528EBB

#528EBB — Muted Blue

#528EBB 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 #528EBB 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.

#528EBB 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 #BC8052; it also sits naturally between #52BCB5 and #5259BC. 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 56% · Blue 73%

Cyan 56% · Magenta 24% · Yellow 0% · Key 27%

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

Previews

CSS code for #528EBB

.text { color: #528EBB; }
.background { background-color: #528EBB; }
.border { border: 3px solid #528EBB; }
.text-rgb { color: rgb(82, 142, 187); }
.text-hsl { color: hsl(206, 44%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #528EBB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(82, 142, 187, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #528EBB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(82, 142, 187, 0.8); }

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

Shades of #528EBB

Tints of #528EBB

Tones of #528EBB

Color harmonies

Complementary — #BC8052:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #528EBB: #000000.

Semi-transparent (opacity) text on #528EBB

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 #528EBB 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 #528EBB 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

← #528EBA  ·  #528EBC →

Frequently asked questions

What color is #528EBB?

#528EBB is Muted Blue, a blue color (RGB 82, 142, 187). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #528EBB?

#528EBB is RGB 82, 142, 187 — HSL 206°, 44%, 53% — CMYK 56%, 24%, 0%, 27%.

What colors go with #528EBB?

Its complement is #BC8052; analogous partners are #52BCB5 and #5259BC. It also appears in 6+ palettes in our collection.

Can I use #528EBB for text?

Black text on #528EBB has a contrast ratio of 5.95:1 (passes WCAG AA); white text gives 3.53:1.