Palettes / Colors / #528DCB

#528DCB — Muted Blue

#528DCB 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 #528DCB 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.

#528DCB 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 #CB9152; it also sits naturally between #52C9CB and #5452CB. 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 55% · Blue 80%

Cyan 60% · Magenta 31% · Yellow 0% · Key 20%

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

Previews

CSS code for #528DCB

.text { color: #528DCB; }
.background { background-color: #528DCB; }
.border { border: 3px solid #528DCB; }
.text-rgb { color: rgb(82, 141, 203); }
.text-hsl { color: hsl(211, 54%, 56%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #528DCB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(82, 141, 203, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #528DCB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(82, 141, 203, 0.8); }

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

Shades of #528DCB

Tints of #528DCB

Tones of #528DCB

Color harmonies

Complementary — #CB9152:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #528DCB: #000000.

Semi-transparent (opacity) text on #528DCB

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 #528DCB 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 #528DCB 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

← #528DCA  ·  #528DCC →

Frequently asked questions

What color is #528DCB?

#528DCB is Muted Blue, a blue color (RGB 82, 141, 203). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #528DCB?

#528DCB is RGB 82, 141, 203 — HSL 211°, 54%, 56% — CMYK 60%, 31%, 0%, 20%.

What colors go with #528DCB?

Its complement is #CB9152; analogous partners are #52C9CB and #5452CB. It also appears in 6+ palettes in our collection.

Can I use #528DCB for text?

Black text on #528DCB has a contrast ratio of 6.03:1 (passes WCAG AA); white text gives 3.48:1.