Palettes / Colors / #528DAB

#528DAB — Muted Blue

#528DAB 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 #528DAB 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.

#528DAB 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 #AC7153; it also sits naturally between #53AC9D and #5362AC. 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 67%

Cyan 52% · Magenta 18% · Yellow 0% · Key 33%

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

Previews

CSS code for #528DAB

.text { color: #528DAB; }
.background { background-color: #528DAB; }
.border { border: 3px solid #528DAB; }
.text-rgb { color: rgb(82, 141, 171); }
.text-hsl { color: hsl(200, 35%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #528DAB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(82, 141, 171, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #528DAB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(82, 141, 171, 0.8); }

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

Shades of #528DAB

Tints of #528DAB

Tones of #528DAB

Color harmonies

Complementary — #AC7153:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #528DAB: #000000.

Semi-transparent (opacity) text on #528DAB

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 #528DAB 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 #528DAB 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

← #528DAA  ·  #528DAC →

Frequently asked questions

What color is #528DAB?

#528DAB is Muted Blue, a blue color (RGB 82, 141, 171). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #528DAB?

#528DAB is RGB 82, 141, 171 — HSL 200°, 35%, 50% — CMYK 52%, 18%, 0%, 33%.

What colors go with #528DAB?

Its complement is #AC7153; analogous partners are #53AC9D and #5362AC. It also appears in 6+ palettes in our collection.

Can I use #528DAB for text?

Black text on #528DAB has a contrast ratio of 5.76:1 (passes WCAG AA); white text gives 3.65:1.