#B540B5#B540B5

#B540B5 is a mid, highly saturated purple. Relative luminance 0.168; OKLCH L 57.8% C 0.202 H 327.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#B540B5
RGB	rgb(181, 64, 181)
HSL	hsl(300, 48%, 48%)
HSV	hsv(300, 65%, 71%)
CMYK	cmyk(0%, 64.6%, 0%, 29%)
CIE-LAB	lab(48.04, 61.44, -39.01)
CIE-LCH	lch(48.04, 72.78, 327.59°)
OKLab	oklab(57.84% 0.1712 -0.1078)
OKLCH	oklch(57.84% 0.202 327.8)
XYZ	xyz(29.2295, 16.8287, 45.4158)
Luminance	0.1683 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540B5 #40B540

analogous

#7A40B5 #B540B5 #B5407A

triadic

#B540B5 #B5B540 #40B5B5

tetradic

#B540B5 #B57A40 #40B540 #407AB5

square

#B540B5 #B57A40 #40B540 #407AB5

split-complementary

#B540B5 #7AB540 #40B57A

monochromatic

#5B205B #883088 #B540B5 #CA68CA #DA96DA

Accessibility & contrast

On white

4.81

#B540B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#B540B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B540B5

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540B5	#FFFFFF	#000000	##FFFFFF
##B540B5	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B8

Deuteranopia (green-blind)

#5D77B2

Tritanopia (blue-blind)

#BA5075

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b540b5;
/* rgb */ color: rgb(181, 64, 181);
/* oklch */ color: oklch(57.8% 0.202 327.8);

Tailwind

colors: {
  custom: {
    50: '#ce7ecb',
    500: '#b540b5',
    950: '#000000',
  },
}

SCSS

$custom: #b540b5;
$custom-light: #ce7ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#b540b5",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 181
  },
  "hsl": {
    "h": 300,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57835,
    "c": 0.20234,
    "h": 327.8
  },
  "luminance": 0.16827
}

Semantic roles & 50–950 ramp

primary

#B540B5

secondary

#8BC58B

accent

#D75050

background

#FDF8FC

surface

#FAEFF8

border

#D3CAD1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B540B5

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

Preview Lab → · Contrast checker → · Palette generator →