Palettes / Colors / #3A6783

#3A6783 — Muted Blue

#3A6783 is a blue color we call Muted Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.

#3A6783 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 #83563A; it also sits naturally between #3A837B and #3A4283. 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 23% · Green 40% · Blue 51%

Cyan 56% · Magenta 21% · Yellow 0% · Key 49%

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

Previews

CSS code for #3A6783

.text { color: #3A6783; }
.background { background-color: #3A6783; }
.border { border: 3px solid #3A6783; }
.text-rgb { color: rgb(58, 103, 131); }
.text-hsl { color: hsl(203, 39%, 37%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3A6783; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(58, 103, 131, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3A6783; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(58, 103, 131, 0.8); }

HTML: <p style="color:#3A6783">Text here</p> · <div style="background-color:#3A6783">Div content here</div>

Shades of #3A6783

Tints of #3A6783

Tones of #3A6783

Color harmonies

Complementary — #83563A:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3A6783: #FFFFFF.

How #3A6783 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 #3A6783 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

← #3A6782  ·  #3A6784 →

Frequently asked questions

What color is #3A6783?

#3A6783 is Muted Blue, a blue color (RGB 58, 103, 131). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #3A6783?

#3A6783 is RGB 58, 103, 131 — HSL 203°, 39%, 37% — CMYK 56%, 21%, 0%, 49%.

What colors go with #3A6783?

Its complement is #83563A; analogous partners are #3A837B and #3A4283. It also appears in 6+ palettes in our collection.

Can I use #3A6783 for text?

White text on #3A6783 has a contrast ratio of 6.09:1 (passes WCAG AA); black text gives 3.45:1.