#B540E7#B540E7

#B540E7 is a mid, highly saturated purple. Relative luminance 0.193; OKLCH L 60.9% C 0.245 H 313.5°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#B540E7
RGB	rgb(181, 64, 231)
HSL	hsl(282, 78%, 58%)
HSV	hsv(282, 72%, 91%)
CMYK	cmyk(21.6%, 72.3%, 0%, 9.4%)
CIE-LAB	lab(50.99, 70.68, -63.02)
CIE-LCH	lch(50.99, 94.70, 318.28°)
OKLab	oklab(60.89% 0.169 -0.1779)
OKLCH	oklch(60.89% 0.245 313.5)
XYZ	xyz(35.3107, 19.2612, 77.4435)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540E7 #72E740

analogous

#6140E7 #B540E7 #E740C5

triadic

#B540E7 #E7B540 #40E7B5

tetradic

#B540E7 #E76140 #72E740 #40C5E7

square

#B540E7 #E76140 #72E740 #40C5E7

split-complementary

#B540E7 #C5E740 #40E761

monochromatic

#711399 #991AD0 #B540E7 #CA76EE #DFADF5

Accessibility & contrast

On white

4.33

#B540E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#B540E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B540E7

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540E7	#FFFFFF	#000000	##000000
##B540E7	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EC

Deuteranopia (green-blind)

#327CE3

Tritanopia (blue-blind)

#B06590

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #b540e7;
/* rgb */ color: rgb(181, 64, 231);
/* oklch */ color: oklch(60.9% 0.245 313.5);

Tailwind

colors: {
  custom: {
    50: '#d07fef',
    500: '#b540e7',
    950: '#000000',
  },
}

SCSS

$custom: #b540e7;
$custom-light: #d07fef;
$custom-dark: #000000;

JSON

{
  "hex": "#b540e7",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 231
  },
  "hsl": {
    "h": 282.036,
    "s": 77.674,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60891,
    "c": 0.24543,
    "h": 313.5
  },
  "luminance": 0.1926
}

Semantic roles & 50–950 ramp

primary

#B540E7

secondary

#B4E3A0

accent

#F4346D

background

#FDF8FE

surface

#FAEFFD

border

#D3CAD5

text

#140B17

muted

#837C85

Preview Lab

Preview with #B540E7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →