#B581DF Color

#B581DF is rgb(181, 129, 223) in RGB, hsl(273, 59%, 69%) in HSL, and about cmyk(19%, 42%, 0%, 13%) in CMYK. It has no registered color name of its own — the closest is Lavender (Floral) (#B57EDC), below the threshold most people can see at ΔE 1.4. Black text is the more readable choice on this background.

#B581DF

HEX#B581DF

RGBrgb(181, 129, 223)

HSLhsl(273, 59%, 69%)

HSVhsv(273, 42%, 87%)

CMYKcmyk(19%, 42%, 0%, 13%)

OKLCHoklch(69.1% 0.144 308.5)

LABlab(62.08% 33.74 -40.59)

LCHlch(62.08% 52.78 309.73)

What #B581DF Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #B581DF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Lavender (Floral)#B57EDCΔE 1.4 Rich Lavender#A76BCFΔE 8.64 Pale Violet#CC99FFΔE 9.6 Bright Lilac#D891EFΔE 10.42 Amethyst#9966CCΔE 11.41 Medium Purple#9370DBΔE 12.77

Browse the full index of named colors A-Z or every purple in the library.

#B581DF Channel Values

How #B581DF breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 181 · G 129 · B 223	8-bit channels as sent to the display
HSL	H 273° · S 59% · L 69%	Easiest model for building lighter and darker variants
HSV	H 273° · S 42% · V 87%	Matches the picker in most design tools
CMYK	C 19% · M 42% · Y 0% · K 13%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.93:1 vs white · 7.17:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B581DF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.93:1AA normal AA large AAA normal

TextBlack text7.17:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B581DF in the contrast checker.

Colors That Go With #B581DF

Pairings derived from color-wheel relationships. The complementary color sits opposite #B581DF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #B581DF

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #B581DF.

How #B581DF Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#B581DF

Protanopia#8C8CDF

Protanomaly#9E88DF

Deuteranopia#9595DE

Deuteranomaly#A38DDE

Tritanopia#A99191

Tritanomaly#AE8BB6

Achromatopsia#979797

Test a full palette in the color blindness simulator.

Using #B581DF in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-b581df: #B581DF;

CSS backgroundbackground-color: #B581DF;

Tailwind configcolors: { 'color-b581df': '#B581DF' }

SwiftUIColor(red: 0.710, green: 0.506, blue: 0.875)

Android XML<color name="color_b581df">#B581DF</color>

SVG fillfill="#B581DF"

More Purple Colors

#B581DF sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024 fdf8ff 170b22 fdf4ff 1b0d35 faf5ff 1d0731 fae8ff 1e0033 f6cfff 20002e f3e8ff 300052 402060 541490 6600cc 7008e7 8806ce 9900cc a11fff b19cd9 c27aff cebeef e0b2eb

#B581DF Frequently Asked Questions

What color is #B581DF?

#B581DF is a light purple — rgb(181, 129, 223) in RGB and hsl(273, 59%, 69%) in HSL. It carries no registered color name of its own; the closest named color is Lavender (Floral) (#B57EDC), which is below the threshold most people can see at a CIE76 distance of 1.4.

What is the RGB value of #B581DF?

#B581DF is rgb(181, 129, 223) — red 181, green 129, and blue 223 on the 0-255 scale.

What is the CMYK value of #B581DF?

#B581DF converts to approximately cmyk(19%, 42%, 0%, 13%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B581DF be black or white?

Black text is the more readable choice. #B581DF scores 2.93:1 against white and 7.17:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B581DF as a CSS color keyword?

No. #B581DF is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is mediumpurple (#9370DB) at a CIE76 distance of 12.77, which is visibly different.

Open #B581DF in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.