Palettes / Colors / #516BEC
#516BEC — Vivid Blue
#516BEC is a blue color we call Vivid 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 #516BEC 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.
#516BEC 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 #ECD251; it also sits naturally between #51B8EC and #8451EC. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #516BEC |
|---|---|
| RGB | 81, 107, 236 |
| HSL | 230°, 80%, 62% |
| HSV | 230°, 66%, 93% |
| CMYK | 66%, 55%, 0%, 7% |
| XYZ | 23.79, 18.32, 81.64 |
| Yxy | 18.32, 0.1923, 0.1480 |
| CIE-Lab | 49.88, 31.13, -68.10 |
| Hunter Lab | 42.80, 27.02, -88.74 |
RGB & CMYK percentages
Red 32% · Green 42% · Blue 93%
Cyan 66% · Magenta 55% · Yellow 0% · Key 7%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #516BEC
.text { color: #516BEC; }
.background { background-color: #516BEC; }
.border { border: 3px solid #516BEC; }
.text-rgb { color: rgb(81, 107, 236); }
.text-hsl { color: hsl(230, 80%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #516BEC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 107, 236, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #516BEC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 107, 236, 0.8); }
HTML: <p style="color:#516BEC">Text here</p> · <div style="background-color:#516BEC">Div content here</div>
Shades of #516BEC
Tints of #516BEC
Tones of #516BEC
Color harmonies
Complementary — #ECD251:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.50:1 AA |
|---|---|
| Against black text | 4.66:1 AA |
Best text color on #516BEC: #000000.
Semi-transparent (opacity) text on #516BEC
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 #516BEC: ·
How #516BEC 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 #516BEC 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 #516BEC?
#516BEC is Vivid Blue, a blue color (RGB 81, 107, 236). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #516BEC?
#516BEC is RGB 81, 107, 236 — HSL 230°, 80%, 62% — CMYK 66%, 55%, 0%, 7%.
What colors go with #516BEC?
Its complement is #ECD251; analogous partners are #51B8EC and #8451EC. It also appears in 6+ palettes in our collection.
Can I use #516BEC for text?
Black text on #516BEC has a contrast ratio of 4.66:1 (passes WCAG AA); white text gives 4.50:1.