#B531A9#B531A9

#B531A9 is a mid, highly saturated purple. Relative luminance 0.149; OKLCH L 55.8% C 0.211 H 332.0°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#B531A9
RGB	rgb(181, 49, 169)
HSL	hsl(305, 57%, 45%)
HSV	hsv(305, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 6.6%, 29%)
CIE-LAB	lab(45.48, 64.96, -35.99)
CIE-LCH	lch(45.48, 74.27, 331.01°)
OKLab	oklab(55.79% 0.1863 -0.099)
OKLCH	oklch(55.79% 0.211 332)
XYZ	xyz(27.3159, 14.8872, 38.9633)
Luminance	0.1489 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B531A9 #31B53D

analogous

#7F31B5 #B531A9 #B53167

triadic

#B531A9 #A9B531 #31A9B5

tetradic

#B531A9 #B57F31 #31B53D #3167B5

square

#B531A9 #B57F31 #31B53D #3167B5

split-complementary

#B531A9 #67B531 #31B57F

monochromatic

#55174F #85247C #B531A9 #D053C5 #DD83D5

Accessibility & contrast

On white

5.28

#B531A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#B531A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B531A9

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B531A9	#FFFFFF	#000000	##FFFFFF
##B531A9	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2860AC

Deuteranopia (green-blind)

#5B72A6

Tritanopia (blue-blind)

#BD406A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #b531a9;
/* rgb */ color: rgb(181, 49, 169);
/* oklch */ color: oklch(55.8% 0.211 332.0);

Tailwind

colors: {
  custom: {
    50: '#cf76c3',
    500: '#b531a9',
    950: '#000000',
  },
}

SCSS

$custom: #b531a9;
$custom-light: #cf76c3;
$custom-dark: #000000;

JSON

{
  "hex": "#b531a9",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 169
  },
  "hsl": {
    "h": 305.455,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55785,
    "c": 0.21098,
    "h": 332
  },
  "luminance": 0.14885
}

Semantic roles & 50–950 ramp

primary

#B531A9

secondary

#7BC782

accent

#E15547

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140912

muted

#837B81

Preview Lab

Preview with #B531A9

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

Preview Lab → · Contrast checker → · Palette generator →