#B540DB#B540DB

#B540DB is a mid, highly saturated purple. Relative luminance 0.186; OKLCH L 60.1% C 0.235 H 316.5°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#B540DB
RGB	rgb(181, 64, 219)
HSL	hsl(285, 68%, 55%)
HSV	hsv(285, 71%, 86%)
CMYK	cmyk(17.4%, 70.8%, 0%, 14.1%)
CIE-LAB	lab(50.22, 68.35, -57.46)
CIE-LCH	lch(50.22, 89.30, 319.95°)
OKLab	oklab(60.1% 0.1704 -0.1616)
OKLCH	oklch(60.1% 0.235 316.5)
XYZ	xyz(33.6737, 18.6064, 68.8217)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B540DB #66DB40

analogous

#6740DB #B540DB #DB40B4

triadic

#B540DB #DBB540 #40DBB5

tetradic

#B540DB #DB6740 #66DB40 #40B4DB

square

#B540DB #DB6740 #66DB40 #40B4DB

split-complementary

#B540DB #B4DB40 #40DB67

monochromatic

#6C1987 #9523BB #B540DB #C973E5 #DDA7EE

Accessibility & contrast

On white

4.45

#B540DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#B540DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B540DB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B540DB	#FFFFFF	#000000	##000000
##B540DB	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#417BD7

Tritanopia (blue-blind)

#B3608A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b540db;
/* rgb */ color: rgb(181, 64, 219);
/* oklch */ color: oklch(60.1% 0.235 316.5);

Tailwind

colors: {
  custom: {
    50: '#cf7fe7',
    500: '#b540db',
    950: '#000000',
  },
}

SCSS

$custom: #b540db;
$custom-light: #cf7fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#b540db",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 219
  },
  "hsl": {
    "h": 285.29,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60101,
    "c": 0.23483,
    "h": 316.5
  },
  "luminance": 0.18605
}

Semantic roles & 50–950 ramp

primary

#B540DB

secondary

#ABDC9B

accent

#EB3D67

background

#FDF8FE

surface

#FAEFFC

border

#D3CAD5

text

#140B16

muted

#837C84

Preview Lab

Preview with #B540DB

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

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