Palettes / Colors / #548BBB

#548BBB — Muted Blue

#548BBB 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 #548BBB 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.

#548BBB 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 #BB8454; it also sits naturally between #54BBB7 and #5457BB. 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 33% · Green 55% · Blue 73%

Cyan 55% · Magenta 26% · Yellow 0% · Key 27%

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

Previews

CSS code for #548BBB

.text { color: #548BBB; }
.background { background-color: #548BBB; }
.border { border: 3px solid #548BBB; }
.text-rgb { color: rgb(84, 139, 187); }
.text-hsl { color: hsl(208, 43%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #548BBB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(84, 139, 187, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #548BBB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(84, 139, 187, 0.8); }

HTML: <p style="color:#548BBB">Text here</p> · <div style="background-color:#548BBB">Div content here</div>

Shades of #548BBB

Tints of #548BBB

Tones of #548BBB

Color harmonies

Complementary — #BB8454:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #548BBB: #000000.

Semi-transparent (opacity) text on #548BBB

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 #548BBB 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 #548BBB 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

← #548BBA  ·  #548BBC →

Frequently asked questions

What color is #548BBB?

#548BBB is Muted Blue, a blue color (RGB 84, 139, 187). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #548BBB?

#548BBB is RGB 84, 139, 187 — HSL 208°, 43%, 53% — CMYK 55%, 26%, 0%, 27%.

What colors go with #548BBB?

Its complement is #BB8454; analogous partners are #54BBB7 and #5457BB. It also appears in 6+ palettes in our collection.

Can I use #548BBB for text?

Black text on #548BBB has a contrast ratio of 5.79:1 (passes WCAG AA); white text gives 3.63:1.