Palettes / Colors / #577EDC
#577EDC — Blue
#577EDC is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.
Color name
Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #577EDC 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.
#577EDC is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.
Its strongest partner is its complement #DCB456; it also sits naturally between #56C1DC and #7156DC. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #577EDC |
|---|---|
| RGB | 87, 126, 220 |
| HSL | 222°, 66%, 60% |
| HSV | 222°, 60%, 86% |
| CMYK | 60%, 43%, 0%, 14% |
| XYZ | 24.31, 22.12, 70.70 |
| Yxy | 22.12, 0.2076, 0.1888 |
| CIE-Lab | 54.15, 15.02, -52.24 |
| Hunter Lab | 47.03, 12.69, -61.03 |
RGB & CMYK percentages
Red 34% · Green 49% · Blue 86%
Cyan 60% · Magenta 43% · Yellow 0% · Key 14%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #577EDC
.text { color: #577EDC; }
.background { background-color: #577EDC; }
.border { border: 3px solid #577EDC; }
.text-rgb { color: rgb(87, 126, 220); }
.text-hsl { color: hsl(222, 66%, 60%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #577EDC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(87, 126, 220, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #577EDC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(87, 126, 220, 0.8); }
HTML: <p style="color:#577EDC">Text here</p> · <div style="background-color:#577EDC">Div content here</div>
Shades of #577EDC
Tints of #577EDC
Tones of #577EDC
Color harmonies
Complementary — #DCB456:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 3.87:1 AA large only |
|---|---|
| Against black text | 5.42:1 AA |
Best text color on #577EDC: #000000.
Semi-transparent (opacity) text on #577EDC
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 #577EDC: ·
How #577EDC 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 #577EDC 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 #577EDC?
#577EDC is Blue, a blue color (RGB 87, 126, 220). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #577EDC?
#577EDC is RGB 87, 126, 220 — HSL 222°, 66%, 60% — CMYK 60%, 43%, 0%, 14%.
What colors go with #577EDC?
Its complement is #DCB456; analogous partners are #56C1DC and #7156DC. It also appears in 6+ palettes in our collection.
Can I use #577EDC for text?
Black text on #577EDC has a contrast ratio of 5.42:1 (passes WCAG AA); white text gives 3.87:1.