Palettes / Colors / #511FF1
#511FF1 — Vivid Blue
#511FF1 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 #511FF1 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.
#511FF1 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 #BFF11E; it also sits naturally between #1E56F1 and #B81EF1. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #511FF1 |
|---|---|
| RGB | 81, 31, 241 |
| HSL | 254°, 88%, 53% |
| HSV | 254°, 87%, 95% |
| CMYK | 66%, 87%, 0%, 5% |
| XYZ | 19.76, 9.08, 83.93 |
| Yxy | 9.08, 0.1752, 0.0805 |
| CIE-Lab | 36.14, 71.47, -93.49 |
| Hunter Lab | 30.13, 66.98, -151.29 |
RGB & CMYK percentages
Red 32% · Green 12% · Blue 95%
Cyan 66% · Magenta 87% · Yellow 0% · Key 5%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #511FF1
.text { color: #511FF1; }
.background { background-color: #511FF1; }
.border { border: 3px solid #511FF1; }
.text-rgb { color: rgb(81, 31, 241); }
.text-hsl { color: hsl(254, 88%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #511FF1; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 31, 241, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #511FF1; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 31, 241, 0.8); }
HTML: <p style="color:#511FF1">Text here</p> · <div style="background-color:#511FF1">Div content here</div>
Shades of #511FF1
Tints of #511FF1
Tones of #511FF1
Color harmonies
Complementary — #BFF11E:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 7.46:1 AAA |
|---|---|
| Against black text | 2.82:1 Fails |
Best text color on #511FF1: #FFFFFF.
Semi-transparent (opacity) text on #511FF1
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 #511FF1: ·
How #511FF1 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 #511FF1 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 #511FF1?
#511FF1 is Vivid Blue, a blue color (RGB 81, 31, 241). Its closest standard named color is BlueViolet.
What is the RGB and HSL of #511FF1?
#511FF1 is RGB 81, 31, 241 — HSL 254°, 88%, 53% — CMYK 66%, 87%, 0%, 5%.
What colors go with #511FF1?
Its complement is #BFF11E; analogous partners are #1E56F1 and #B81EF1. It also appears in 6+ palettes in our collection.
Can I use #511FF1 for text?
White text on #511FF1 has a contrast ratio of 7.46:1 (passes WCAG AA); black text gives 2.82:1.