Palettes / Colors / #511DB0
#511DB0 — Purple
#511DB0 is a purple color we call Purple, closest to the named color DarkSlateBlue (#483D8B). It belongs to the purple family.
Color name
Closest CSS keyword: darkslateblue (#483D8B) — not an exact match. CSS darkslateblue gives you #483D8B, a different color; use #511DB0 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.
#511DB0 is a cool purple color associated with luxury, creativity and mystery. 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 #7CAF1D; it also sits naturally between #1D33AF and #991DAF. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #511DB0 |
|---|---|
| RGB | 81, 29, 176 |
| HSL | 261°, 72%, 40% |
| HSV | 261°, 84%, 69% |
| CMYK | 54%, 84%, 0%, 31% |
| XYZ | 11.67, 5.76, 41.57 |
| Yxy | 5.76, 0.1978, 0.0977 |
| CIE-Lab | 28.81, 55.38, -67.84 |
| Hunter Lab | 24.01, 46.77, -90.53 |
RGB & CMYK percentages
Red 32% · Green 11% · Blue 69%
Cyan 54% · Magenta 84% · Yellow 0% · Key 31%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
CSS code for #511DB0
.text { color: #511DB0; }
.background { background-color: #511DB0; }
.border { border: 3px solid #511DB0; }
.text-rgb { color: rgb(81, 29, 176); }
.text-hsl { color: hsl(261, 72%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #511DB0; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 29, 176, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #511DB0; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 29, 176, 0.8); }
HTML: <p style="color:#511DB0">Text here</p> · <div style="background-color:#511DB0">Div content here</div>
Shades of #511DB0
Tints of #511DB0
Tones of #511DB0
Color harmonies
Complementary — #7CAF1D:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 9.76:1 AAA |
|---|---|
| Against black text | 2.15:1 Fails |
Best text color on #511DB0: #FFFFFF.
Semi-transparent (opacity) text on #511DB0
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 #511DB0: ·
How #511DB0 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 #511DB0 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 #511DB0?
#511DB0 is Purple, a purple color (RGB 81, 29, 176). Its closest standard named color is DarkSlateBlue.
What is the RGB and HSL of #511DB0?
#511DB0 is RGB 81, 29, 176 — HSL 261°, 72%, 40% — CMYK 54%, 84%, 0%, 31%.
What colors go with #511DB0?
Its complement is #7CAF1D; analogous partners are #1D33AF and #991DAF. It also appears in 6+ palettes in our collection.
Can I use #511DB0 for text?
White text on #511DB0 has a contrast ratio of 9.76:1 (passes WCAG AA); black text gives 2.15:1.