Palettes / Colors / #577B8D

#577B8D — Dusty Blue

#577B8D is a blue color we call Dusty Blue, closest to the named color SlateGray (#708090). It belongs to the blue family.

#577B8D 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 #8E6A57; it also sits naturally between #578E85 and #57608E. 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 34% · Green 48% · Blue 55%

Cyan 38% · Magenta 13% · Yellow 0% · Key 45%

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

Previews

CSS code for #577B8D

.text { color: #577B8D; }
.background { background-color: #577B8D; }
.border { border: 3px solid #577B8D; }
.text-rgb { color: rgb(87, 123, 141); }
.text-hsl { color: hsl(200, 24%, 45%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #577B8D; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(87, 123, 141, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #577B8D; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(87, 123, 141, 0.8); }

HTML: <p style="color:#577B8D">Text here</p> · <div style="background-color:#577B8D">Div content here</div>

Shades of #577B8D

Tints of #577B8D

Tones of #577B8D

Color harmonies

Complementary — #8E6A57:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #577B8D: #000000.

How #577B8D 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 #577B8D

Palettes with a similar color

These palettes use a close neighbour of #577B8D 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

← #577B8C  ·  #577B8E →

Frequently asked questions

What color is #577B8D?

#577B8D is Dusty Blue, a blue color (RGB 87, 123, 141). Its closest standard named color is SlateGray.

What is the RGB and HSL of #577B8D?

#577B8D is RGB 87, 123, 141 — HSL 200°, 24%, 45% — CMYK 38%, 13%, 0%, 45%.

What colors go with #577B8D?

Its complement is #8E6A57; analogous partners are #578E85 and #57608E. It also appears in 6+ palettes in our collection.

Can I use #577B8D for text?

Black text on #577B8D has a contrast ratio of 4.62:1 (passes WCAG AA); white text gives 4.54:1.