Palettes / Colors / #577487
#577487 — Dusty Blue
#577487 is a blue color we call Dusty Blue, closest to the named color SlateGray (#708090). It belongs to the blue family.
Color name
Closest CSS keyword: slategray (#708090) — not an exact match. CSS slategray gives you #708090, a different color; use #577487 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.
#577487 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 #896B58; it also sits naturally between #588984 and #585C89. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #577487 |
|---|---|
| RGB | 87, 116, 135 |
| HSL | 204°, 22%, 44% |
| HSV | 204°, 36%, 53% |
| CMYK | 36%, 14%, 0%, 47% |
| XYZ | 14.55, 16.27, 25.29 |
| Yxy | 16.27, 0.2593, 0.2899 |
| CIE-Lab | 47.32, -5.47, -13.77 |
| Hunter Lab | 40.33, -4.10, -11.58 |
RGB & CMYK percentages
Red 34% · Green 45% · Blue 53%
Cyan 36% · Magenta 14% · Yellow 0% · Key 47%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #577487
.text { color: #577487; }
.background { background-color: #577487; }
.border { border: 3px solid #577487; }
.text-rgb { color: rgb(87, 116, 135); }
.text-hsl { color: hsl(204, 22%, 44%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #577487; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(87, 116, 135, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #577487; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(87, 116, 135, 0.8); }
HTML: <p style="color:#577487">Text here</p> · <div style="background-color:#577487">Div content here</div>
Shades of #577487
Tints of #577487
Tones of #577487
Color harmonies
Complementary — #896B58:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.94:1 AA |
|---|---|
| Against black text | 4.25:1 AA large only |
Best text color on #577487: #FFFFFF.
Semi-transparent (opacity) text on #577487
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:
Smaller body text shows the effect best.
Blended color: · Contrast against #577487: ·
How #577487 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 #577487 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
Frequently asked questions
What color is #577487?
#577487 is Dusty Blue, a blue color (RGB 87, 116, 135). Its closest standard named color is SlateGray.
What is the RGB and HSL of #577487?
#577487 is RGB 87, 116, 135 — HSL 204°, 22%, 44% — CMYK 36%, 14%, 0%, 47%.
What colors go with #577487?
Its complement is #896B58; analogous partners are #588984 and #585C89. It also appears in 6+ palettes in our collection.
Can I use #577487 for text?
White text on #577487 has a contrast ratio of 4.94:1 (passes WCAG AA); black text gives 4.25:1.