Palettes / Colors / #511FEE
#511FEE — Vivid Blue
#511FEE is a blue color we call Vivid Blue, closest to the named color BlueViolet (#8A2BE2). It belongs to the blue family.
Color name
Closest CSS keyword: blueviolet (#8A2BE2) — not an exact match. CSS blueviolet gives you #8A2BE2, a different color; use #511FEE 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.
#511FEE 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 #BEEE20; it also sits naturally between #2057EE and #B720EE. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #511FEE |
|---|---|
| RGB | 81, 31, 238 |
| HSL | 254°, 86%, 53% |
| HSV | 254°, 87%, 93% |
| CMYK | 66%, 87%, 0%, 7% |
| XYZ | 19.32, 8.90, 81.59 |
| Yxy | 8.90, 0.1759, 0.0811 |
| CIE-Lab | 35.80, 70.71, -92.36 |
| Hunter Lab | 29.84, 65.97, -148.36 |
RGB & CMYK percentages
Red 32% · Green 12% · Blue 93%
Cyan 66% · Magenta 87% · 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 #511FEE
.text { color: #511FEE; }
.background { background-color: #511FEE; }
.border { border: 3px solid #511FEE; }
.text-rgb { color: rgb(81, 31, 238); }
.text-hsl { color: hsl(254, 86%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #511FEE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 31, 238, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #511FEE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 31, 238, 0.8); }
HTML: <p style="color:#511FEE">Text here</p> · <div style="background-color:#511FEE">Div content here</div>
Shades of #511FEE
Tints of #511FEE
Tones of #511FEE
Color harmonies
Complementary — #BEEE20:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 7.55:1 AAA |
|---|---|
| Against black text | 2.78:1 Fails |
Best text color on #511FEE: #FFFFFF.
Semi-transparent (opacity) text on #511FEE
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 #511FEE: ·
How #511FEE 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 #511FEE 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 #511FEE?
#511FEE is Vivid Blue, a blue color (RGB 81, 31, 238). Its closest standard named color is BlueViolet.
What is the RGB and HSL of #511FEE?
#511FEE is RGB 81, 31, 238 — HSL 254°, 86%, 53% — CMYK 66%, 87%, 0%, 7%.
What colors go with #511FEE?
Its complement is #BEEE20; analogous partners are #2057EE and #B720EE. It also appears in 6+ palettes in our collection.
Can I use #511FEE for text?
White text on #511FEE has a contrast ratio of 7.55:1 (passes WCAG AA); black text gives 2.78:1.