Maroon Colors  ·  Color Library

Palettes / Colors / #511FAC

#511FAC — Purple

#511FAC 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 #511FAC 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.

#511FAC 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 #7BAC20; it also sits naturally between #2035AC and #9720AC. In the palettes below you can see it working alongside real color combinations from our collection.

#511FAC · RGB 81, 31, 172

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Color values

HEX#511FAC
RGB81, 31, 172
HSL261°, 69%, 40%
HSV261°, 82%, 67%
CMYK53%, 82%, 0%, 33%
XYZ11.33, 5.71, 39.53
Yxy5.71, 0.2003, 0.1009
CIE-Lab28.66, 53.56, -65.68
Hunter Lab23.89, 44.82, -85.87

RGB & CMYK percentages

Red 32% · Green 12% · Blue 67%

Cyan 53% · Magenta 82% · Yellow 0% · Key 33%

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

Previews

Sample text in #511FAC on black
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sample text in #511FAC on white
Lorem ipsum dolor sit amet, consectetur adipiscing elit.

CSS code for #511FAC

.text { color: #511FAC; }
.background { background-color: #511FAC; }
.border { border: 3px solid #511FAC; }
.text-rgb { color: rgb(81, 31, 172); }
.text-hsl { color: hsl(261, 69%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #511FAC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 31, 172, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #511FAC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 31, 172, 0.8); }

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

Shades of #511FAC

#491C9B#431A8E#3B177D#351570#2C115F#240E4E#1E0C41#16092F#100622#080311

Tints of #511FAC

#5D24C6#682CD8#7B46DD#8A5BE1#9D75E6#AF8FEA#BEA5EE#D1BEF3#E0D4F7#F3EEFC

Tones of #511FAC

#542AA2#573498#5A3E8E#5D4785#60527A#635C70

Color harmonies

Complementary — #7BAC20:

Analogous:

Triadic:

Contrast & accessibility

Against white text9.81:1 AAA
Against black text2.14:1 Fails

Best text color on #511FAC: #FFFFFF.

Semi-transparent (opacity) text on #511FAC

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:

100%
Sample heading text
Smaller body text shows the effect best.

Blended color: · Contrast against #511FAC: ·

How #511FAC looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Protanopia · #3B3B8ADeuteranopia · #3E4282Tritanopia · #4F6F69

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:

Material Deep Purple 500 · #673AB7Material Indigo 500 · #3F51B5Tailwind indigo 600 · #4F46E5

Palettes with a similar color

These palettes use a close neighbour of #511FAC rather than the exact color:

Frozen Ruby Petal
#1DA050 · #5820B0 · #DD7E41 · #D1F1DB
Frozen Ruby Twilight
#4F16AC · #D630E5 · #ED6EB4 · #F29A9C
Vivid Lagoon
#5228A7 · #AC71DD · #97C931 · #CDE4AD
Burning Ruby Garden
#B099EB · #7853D5 · #4C21B5 · #200D4E
Serene Summit
#541BB8 · #D76220 · #1ECB5C · #B9ABE9
Radiant Ruby Whisper
#DCCEF3 · #A078DE · #501D9F · #231042

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

#5820B0#4F16AC#5228A7#4C21B5#541BB8#501D9F#5E23AD#5323BA#4B2AB5#5E20B5#6020B1#4421A3

Browse neighbouring colors

← #511FAB  ·  #511FAD →

Frequently asked questions

What color is #511FAC?

#511FAC is Purple, a purple color (RGB 81, 31, 172). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #511FAC?

#511FAC is RGB 81, 31, 172 — HSL 261°, 69%, 40% — CMYK 53%, 82%, 0%, 33%.

What colors go with #511FAC?

Its complement is #7BAC20; analogous partners are #2035AC and #9720AC. It also appears in 6+ palettes in our collection.

Can I use #511FAC for text?

White text on #511FAC has a contrast ratio of 9.81:1 (passes WCAG AA); black text gives 2.14:1.