Palettes / Colors / #511EA9
#511EA9 — Purple
#511EA9 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 #511EA9 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.
#511EA9 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 #76A91E; it also sits naturally between #1E30A9 and #971EA9. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #511EA9 |
|---|---|
| RGB | 81, 30, 169 |
| HSL | 262°, 70%, 39% |
| HSV | 262°, 82%, 66% |
| CMYK | 52%, 82%, 0%, 34% |
| XYZ | 11.02, 5.54, 38.03 |
| Yxy | 5.54, 0.2019, 0.1015 |
| CIE-Lab | 28.23, 53.17, -64.59 |
| Hunter Lab | 23.54, 44.30, -83.66 |
RGB & CMYK percentages
Red 32% · Green 12% · Blue 66%
Cyan 52% · Magenta 82% · Yellow 0% · Key 34%
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 #511EA9
.text { color: #511EA9; }
.background { background-color: #511EA9; }
.border { border: 3px solid #511EA9; }
.text-rgb { color: rgb(81, 30, 169); }
.text-hsl { color: hsl(262, 70%, 39%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #511EA9; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 30, 169, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #511EA9; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 30, 169, 0.8); }
HTML: <p style="color:#511EA9">Text here</p> · <div style="background-color:#511EA9">Div content here</div>
Shades of #511EA9
Tints of #511EA9
Tones of #511EA9
Color harmonies
Complementary — #76A91E:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 9.96:1 AAA |
|---|---|
| Against black text | 2.11:1 Fails |
Best text color on #511EA9: #FFFFFF.
Semi-transparent (opacity) text on #511EA9
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 #511EA9: ·
How #511EA9 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 #511EA9 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 #511EA9?
#511EA9 is Purple, a purple color (RGB 81, 30, 169). Its closest standard named color is DarkSlateBlue.
What is the RGB and HSL of #511EA9?
#511EA9 is RGB 81, 30, 169 — HSL 262°, 70%, 39% — CMYK 52%, 82%, 0%, 34%.
What colors go with #511EA9?
Its complement is #76A91E; analogous partners are #1E30A9 and #971EA9. It also appears in 6+ palettes in our collection.
Can I use #511EA9 for text?
White text on #511EA9 has a contrast ratio of 9.96:1 (passes WCAG AA); black text gives 2.11:1.