#B31BA4#B31BA4

#B31BA4 is a mid, highly saturated purple. Relative luminance 0.130; OKLCH L 53.7% C 0.226 H 333.0°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B31BA4
RGB	rgb(179, 27, 164)
HSL	hsl(306, 74%, 40%)
HSV	hsv(306, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 8.4%, 29.8%)
CIE-LAB	lab(42.84, 69.64, -37.21)
CIE-LCH	lch(42.84, 78.95, 331.88°)
OKLab	oklab(53.75% 0.2013 -0.1024)
OKLCH	oklch(53.75% 0.226 333)
XYZ	xyz(25.6834, 13.0502, 36.2810)
Luminance	0.1305 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BA4 #1BB32A

analogous

#761BB3 #B31BA4 #B31B58

triadic

#B31BA4 #A4B31B #1BA4B3

tetradic

#B31BA4 #B3761B #1BB32A #1B58B3

square

#B31BA4 #B3761B #1BB32A #1B58B3

split-complementary

#B31BA4 #58B31B #1BB376

monochromatic

#490B43 #7E1373 #B31BA4 #DF2CCD #E761DA

Accessibility & contrast

On white

5.82

#B31BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B31BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BA4

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BA4	#FFFFFF	#000000	##FFFFFF
##B31BA4	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D58A7

Deuteranopia (green-blind)

#556CA1

Tritanopia (blue-blind)

#BB3062

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31ba4;
/* rgb */ color: rgb(179, 27, 164);
/* oklch */ color: oklch(53.7% 0.226 333.0);

Tailwind

colors: {
  custom: {
    50: '#ce6ebf',
    500: '#b31ba4',
    950: '#000000',
  },
}

SCSS

$custom: #b31ba4;
$custom-light: #ce6ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ba4",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 164
  },
  "hsl": {
    "h": 305.921,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53746,
    "c": 0.22583,
    "h": 333
  },
  "luminance": 0.13048
}

Semantic roles & 50–950 ramp

primary

#B31BA4

secondary

#5ECC69

accent

#F04A37

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31BA4

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

Preview Lab → · Contrast checker → · Palette generator →