Palettes / Colors / #51549D

#51549D — Muted Blue

#51549D is a blue color we call Muted Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.

#51549D 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 #9E9C51; it also sits naturally between #517A9E and #75519E. 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 32% · Green 33% · Blue 62%

Cyan 48% · Magenta 46% · Yellow 0% · Key 38%

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

Previews

CSS code for #51549D

.text { color: #51549D; }
.background { background-color: #51549D; }
.border { border: 3px solid #51549D; }
.text-rgb { color: rgb(81, 84, 157); }
.text-hsl { color: hsl(238, 32%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #51549D; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 84, 157, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #51549D; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 84, 157, 0.8); }

HTML: <p style="color:#51549D">Text here</p> · <div style="background-color:#51549D">Div content here</div>

Shades of #51549D

Tints of #51549D

Tones of #51549D

Color harmonies

Complementary — #9E9C51:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #51549D: #FFFFFF.

How #51549D 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 #51549D 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

← #51549C  ·  #51549E →

Frequently asked questions

What color is #51549D?

#51549D is Muted Blue, a blue color (RGB 81, 84, 157). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #51549D?

#51549D is RGB 81, 84, 157 — HSL 238°, 32%, 47% — CMYK 48%, 46%, 0%, 38%.

What colors go with #51549D?

Its complement is #9E9C51; analogous partners are #517A9E and #75519E. It also appears in 6+ palettes in our collection.

Can I use #51549D for text?

White text on #51549D has a contrast ratio of 6.76:1 (passes WCAG AA); black text gives 3.10:1.