Palettes / Colors / #6380BB

#6380BB — Muted Blue

#6380BB 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 #6380BB 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.

#6380BB 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 #BB9D63; it also sits naturally between #63ACBB and #7263BB. 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 39% · Green 50% · Blue 73%

Cyan 47% · Magenta 32% · Yellow 0% · Key 27%

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

Previews

CSS code for #6380BB

.text { color: #6380BB; }
.background { background-color: #6380BB; }
.border { border: 3px solid #6380BB; }
.text-rgb { color: rgb(99, 128, 187); }
.text-hsl { color: hsl(220, 39%, 56%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #6380BB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(99, 128, 187, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #6380BB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(99, 128, 187, 0.8); }

HTML: <p style="color:#6380BB">Text here</p> · <div style="background-color:#6380BB">Div content here</div>

Shades of #6380BB

Tints of #6380BB

Tones of #6380BB

Color harmonies

Complementary — #BB9D63:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #6380BB: #000000.

Semi-transparent (opacity) text on #6380BB

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 #6380BB 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 #6380BB 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

← #6380BA  ·  #6380BC →

Frequently asked questions

What color is #6380BB?

#6380BB is Muted Blue, a blue color (RGB 99, 128, 187). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #6380BB?

#6380BB is RGB 99, 128, 187 — HSL 220°, 39%, 56% — CMYK 47%, 32%, 0%, 27%.

What colors go with #6380BB?

Its complement is #BB9D63; analogous partners are #63ACBB and #7263BB. It also appears in 6+ palettes in our collection.

Can I use #6380BB for text?

Black text on #6380BB has a contrast ratio of 5.34:1 (passes WCAG AA); white text gives 3.94:1.