#B131A9#B131A9

#B131A9 is a mid, highly saturated purple. Relative luminance 0.144; OKLCH L 55.2% C 0.209 H 330.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#B131A9
RGB	rgb(177, 49, 169)
HSL	hsl(304, 57%, 44%)
HSV	hsv(304, 72%, 69%)
CMYK	cmyk(0%, 72.3%, 4.5%, 30.6%)
CIE-LAB	lab(44.82, 64.06, -37.08)
CIE-LCH	lch(44.82, 74.02, 329.93°)
OKLab	oklab(55.18% 0.1822 -0.1022)
OKLCH	oklch(55.18% 0.209 330.7)
XYZ	xyz(26.3911, 14.4104, 38.9199)
Luminance	0.1441 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B131A9 #31B139

analogous

#7931B1 #B131A9 #B13169

triadic

#B131A9 #A9B131 #31A9B1

tetradic

#B131A9 #B17931 #31B139 #3169B1

square

#B131A9 #B17931 #31B139 #3169B1

split-complementary

#B131A9 #69B131 #31B179

monochromatic

#51164D #81247B #B131A9 #CF51C7 #DC80D6

Accessibility & contrast

On white

5.41

#B131A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#B131A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B131A9

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B131A9	#FFFFFF	#000000	##FFFFFF
##B131A9	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245FAC

Deuteranopia (green-blind)

#5870A6

Tritanopia (blue-blind)

#B8416A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b131a9;
/* rgb */ color: rgb(177, 49, 169);
/* oklch */ color: oklch(55.2% 0.209 330.7);

Tailwind

colors: {
  custom: {
    50: '#cc76c3',
    500: '#b131a9',
    950: '#000000',
  },
}

SCSS

$custom: #b131a9;
$custom-light: #cc76c3;
$custom-dark: #000000;

JSON

{
  "hex": "#b131a9",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 169
  },
  "hsl": {
    "h": 303.75,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55181,
    "c": 0.20889,
    "h": 330.7
  },
  "luminance": 0.14408
}

Semantic roles & 50–950 ramp

primary

#B131A9

secondary

#79C57E

accent

#E05148

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140912

muted

#837B81

Preview Lab

Preview with #B131A9

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

Preview Lab → · Contrast checker → · Palette generator →