#B731A9#B731A9

#B731A9 is a mid, highly saturated purple. Relative luminance 0.151; OKLCH L 56.1% C 0.212 H 332.7°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#B731A9
RGB	rgb(183, 49, 169)
HSL	hsl(306, 58%, 45%)
HSV	hsv(306, 73%, 72%)
CMYK	cmyk(0%, 73.2%, 7.7%, 28.2%)
CIE-LAB	lab(45.81, 65.42, -35.44)
CIE-LCH	lch(45.81, 74.40, 331.55°)
OKLab	oklab(56.09% 0.1884 -0.0973)
OKLCH	oklch(56.09% 0.212 332.7)
XYZ	xyz(27.7883, 15.1308, 38.9854)
Luminance	0.1513 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B731A9 #31B73F

analogous

#8231B7 #B731A9 #B73166

triadic

#B731A9 #A9B731 #31A9B7

tetradic

#B731A9 #B78231 #31B73F #3166B7

square

#B731A9 #B78231 #31B73F #3166B7

split-complementary

#B731A9 #66B731 #31B782

monochromatic

#561750 #87247C #B731A9 #D154C4 #DE84D5

Accessibility & contrast

On white

5.22

#B731A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#B731A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B731A9

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B731A9	#FFFFFF	#000000	##FFFFFF
##B731A9	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A60AC

Deuteranopia (green-blind)

#5D73A6

Tritanopia (blue-blind)

#BF3F6A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #b731a9;
/* rgb */ color: rgb(183, 49, 169);
/* oklch */ color: oklch(56.1% 0.212 332.7);

Tailwind

colors: {
  custom: {
    50: '#d077c3',
    500: '#b731a9',
    950: '#000000',
  },
}

SCSS

$custom: #b731a9;
$custom-light: #d077c3;
$custom-dark: #000000;

JSON

{
  "hex": "#b731a9",
  "rgb": {
    "r": 183,
    "g": 49,
    "b": 169
  },
  "hsl": {
    "h": 306.269,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56088,
    "c": 0.21203,
    "h": 332.7
  },
  "luminance": 0.15128
}

Semantic roles & 50–950 ramp

primary

#B731A9

secondary

#7CC884

accent

#E15747

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A12

muted

#837C81

Preview Lab

Preview with #B731A9

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

Preview Lab → · Contrast checker → · Palette generator →