Palettes / Colors / #511FA3

#511FA3 — Purple

#511FA3 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 #511FA3 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.

#511FA3 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 #70A31F; it also sits naturally between #1F2EA3 and #931FA3. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 32% · Green 12% · Blue 64%

Cyan 50% · Magenta 81% · Yellow 0% · Key 36%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #511FA3

.text { color: #511FA3; }
.background { background-color: #511FA3; }
.border { border: 3px solid #511FA3; }
.text-rgb { color: rgb(81, 31, 163); }
.text-hsl { color: hsl(263, 68%, 38%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #511FA3; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 31, 163, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #511FA3; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 31, 163, 0.8); }

HTML: <p style="color:#511FA3">Text here</p> · <div style="background-color:#511FA3">Div content here</div>

Shades of #511FA3

Tints of #511FA3

Tones of #511FA3

Color harmonies

Complementary — #70A31F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #511FA3: #FFFFFF.

Semi-transparent (opacity) text on #511FA3

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:

How #511FA3 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 #511FA3 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

← #511FA2  ·  #511FA4 →

Frequently asked questions

What color is #511FA3?

#511FA3 is Purple, a purple color (RGB 81, 31, 163). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #511FA3?

#511FA3 is RGB 81, 31, 163 — HSL 263°, 68%, 38% — CMYK 50%, 81%, 0%, 36%.

What colors go with #511FA3?

Its complement is #70A31F; analogous partners are #1F2EA3 and #931FA3. It also appears in 6+ palettes in our collection.

Can I use #511FA3 for text?

White text on #511FA3 has a contrast ratio of 10.12:1 (passes WCAG AA); black text gives 2.07:1.