#B131B5#B131B5

#B131B5 is a mid, highly saturated purple. Relative luminance 0.149; OKLCH L 55.9% C 0.218 H 326.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#B131B5
RGB	rgb(177, 49, 181)
HSL	hsl(298, 57%, 45%)
HSV	hsv(298, 73%, 71%)
CMYK	cmyk(2.2%, 72.9%, 0%, 29%)
CIE-LAB	lab(45.47, 66.02, -43.13)
CIE-LCH	lch(45.47, 78.86, 326.84°)
OKLab	oklab(55.86% 0.1823 -0.1197)
OKLCH	oklch(55.86% 0.218 326.7)
XYZ	xyz(27.5698, 14.8818, 45.1275)
Luminance	0.1488 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B131B5 #35B531

analogous

#6F31B5 #B131B5 #B53177

triadic

#B131B5 #B5B131 #31B5B1

tetradic

#B131B5 #B56F31 #35B531 #3177B5

square

#B131B5 #B56F31 #35B531 #3177B5

split-complementary

#B131B5 #77B531 #31B56F

monochromatic

#531755 #822485 #B131B5 #CD53D0 #DB83DD

Accessibility & contrast

On white

5.28

#B131B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#B131B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B131B5

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B131B5	#FFFFFF	#000000	##FFFFFF
##B131B5	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)

#0F61B9

Deuteranopia (green-blind)

#5171B2

Tritanopia (blue-blind)

#B64771

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #b131b5;
/* rgb */ color: rgb(177, 49, 181);
/* oklch */ color: oklch(55.9% 0.218 326.7);

Tailwind

colors: {
  custom: {
    50: '#cc76cc',
    500: '#b131b5',
    950: '#000000',
  },
}

SCSS

$custom: #b131b5;
$custom-light: #cc76cc;
$custom-dark: #000000;

JSON

{
  "hex": "#b131b5",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 181
  },
  "hsl": {
    "h": 298.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55863,
    "c": 0.2181,
    "h": 326.7
  },
  "luminance": 0.1488
}

Semantic roles & 50–950 ramp

primary

#B131B5

secondary

#7DC77B

accent

#E1474C

background

#FDF7FC

surface

#FAEEF9

border

#D3C9D2

text

#140913

muted

#837B82

Preview Lab

Preview with #B131B5

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

Preview Lab → · Contrast checker → · Palette generator →