#B131A8#B131A8

#B131A8 is a mid, highly saturated purple. Relative luminance 0.144; OKLCH L 55.1% C 0.208 H 331.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#B131A8
RGB	rgb(177, 49, 168)
HSL	hsl(304, 57%, 44%)
HSV	hsv(304, 72%, 69%)
CMYK	cmyk(0%, 72.3%, 5.1%, 30.6%)
CIE-LAB	lab(44.76, 63.90, -36.57)
CIE-LCH	lch(44.76, 73.62, 330.21°)
OKLab	oklab(55.13% 0.1821 -0.1007)
OKLCH	oklch(55.13% 0.208 331.1)
XYZ	xyz(26.2976, 14.3730, 38.4274)
Luminance	0.1437 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B131A8 #31B13A

analogous

#7A31B1 #B131A8 #B13168

triadic

#B131A8 #A8B131 #31A8B1

tetradic

#B131A8 #B17A31 #31B13A #3168B1

square

#B131A8 #B17A31 #31B13A #3168B1

split-complementary

#B131A8 #68B131 #31B17A

monochromatic

#51164D #81247B #B131A8 #CF51C6 #DC80D6

Accessibility & contrast

On white

5.42

#B131A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#B131A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B131A8

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B131A8	#FFFFFF	#000000	##FFFFFF
##B131A8	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265FAB

Deuteranopia (green-blind)

#5870A5

Tritanopia (blue-blind)

#B84069

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b131a8;
/* rgb */ color: rgb(177, 49, 168);
/* oklch */ color: oklch(55.1% 0.208 331.1);

Tailwind

colors: {
  custom: {
    50: '#cc76c2',
    500: '#b131a8',
    950: '#000000',
  },
}

SCSS

$custom: #b131a8;
$custom-light: #cc76c2;
$custom-dark: #000000;

JSON

{
  "hex": "#b131a8",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 168
  },
  "hsl": {
    "h": 304.219,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55126,
    "c": 0.20814,
    "h": 331.1
  },
  "luminance": 0.14371
}

Semantic roles & 50–950 ramp

primary

#B131A8

secondary

#79C57E

accent

#E05348

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140912

muted

#837B81

Preview Lab

Preview with #B131A8

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

Preview Lab → · Contrast checker → · Palette generator →