Palettes / Colors / #428BC2

#428BC2 — Muted Blue

#428BC2 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 #428BC2 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.

#428BC2 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 #C27A42; it also sits naturally between #42C2B9 and #424BC2. 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 26% · Green 55% · Blue 76%

Cyan 66% · Magenta 28% · Yellow 0% · Key 24%

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

Previews

CSS code for #428BC2

.text { color: #428BC2; }
.background { background-color: #428BC2; }
.border { border: 3px solid #428BC2; }
.text-rgb { color: rgb(66, 139, 194); }
.text-hsl { color: hsl(206, 51%, 51%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #428BC2; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(66, 139, 194, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #428BC2; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(66, 139, 194, 0.8); }

HTML: <p style="color:#428BC2">Text here</p> · <div style="background-color:#428BC2">Div content here</div>

Shades of #428BC2

Tints of #428BC2

Tones of #428BC2

Color harmonies

Complementary — #C27A42:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #428BC2: #000000.

Semi-transparent (opacity) text on #428BC2

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 #428BC2 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 #428BC2 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

← #428BC1  ·  #428BC3 →

Frequently asked questions

What color is #428BC2?

#428BC2 is Muted Blue, a blue color (RGB 66, 139, 194). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #428BC2?

#428BC2 is RGB 66, 139, 194 — HSL 206°, 51%, 51% — CMYK 66%, 28%, 0%, 24%.

What colors go with #428BC2?

Its complement is #C27A42; analogous partners are #42C2B9 and #424BC2. It also appears in 6+ palettes in our collection.

Can I use #428BC2 for text?

Black text on #428BC2 has a contrast ratio of 5.70:1 (passes WCAG AA); white text gives 3.68:1.