Palettes / Colors / #678ABC

#678ABC — Muted Blue

#678ABC 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 #678ABC 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.

#678ABC 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 #BC9867; it also sits naturally between #67B5BC and #6E67BC. 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 40% · Green 54% · Blue 74%

Cyan 45% · Magenta 27% · Yellow 0% · Key 26%

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

Previews

CSS code for #678ABC

.text { color: #678ABC; }
.background { background-color: #678ABC; }
.border { border: 3px solid #678ABC; }
.text-rgb { color: rgb(103, 138, 188); }
.text-hsl { color: hsl(215, 39%, 57%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #678ABC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(103, 138, 188, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #678ABC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(103, 138, 188, 0.8); }

HTML: <p style="color:#678ABC">Text here</p> · <div style="background-color:#678ABC">Div content here</div>

Shades of #678ABC

Tints of #678ABC

Tones of #678ABC

Color harmonies

Complementary — #BC9867:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #678ABC: #000000.

Semi-transparent (opacity) text on #678ABC

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 #678ABC 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 #678ABC 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

← #678ABB  ·  #678ABD →

Frequently asked questions

What color is #678ABC?

#678ABC is Muted Blue, a blue color (RGB 103, 138, 188). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #678ABC?

#678ABC is RGB 103, 138, 188 — HSL 215°, 39%, 57% — CMYK 45%, 27%, 0%, 26%.

What colors go with #678ABC?

Its complement is #BC9867; analogous partners are #67B5BC and #6E67BC. It also appears in 6+ palettes in our collection.

Can I use #678ABC for text?

Black text on #678ABC has a contrast ratio of 5.94:1 (passes WCAG AA); white text gives 3.54:1.