#B31BA9#B31BA9

#B31BA9 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 54.0% C 0.229 H 331.4°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B31BA9
RGB	rgb(179, 27, 169)
HSL	hsl(304, 74%, 40%)
HSV	hsv(304, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 5.6%, 29.8%)
CIE-LAB	lab(43.11, 70.37, -39.76)
CIE-LCH	lch(43.11, 80.82, 330.53°)
OKLab	oklab(54.03% 0.2012 -0.1098)
OKLCH	oklch(54.03% 0.229 331.4)
XYZ	xyz(26.1438, 13.2344, 38.7060)
Luminance	0.1323 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BA9 #1BB325

analogous

#711BB3 #B31BA9 #B31B5D

triadic

#B31BA9 #A9B31B #1BA9B3

tetradic

#B31BA9 #B3711B #1BB325 #1B5DB3

square

#B31BA9 #B3711B #1BB325 #1B5DB3

split-complementary

#B31BA9 #5DB31B #1BB371

monochromatic

#490B45 #7E1377 #B31BA9 #DF2CD3 #E761DE

Accessibility & contrast

On white

5.76

#B31BA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B31BA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BA9

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BA9	#FFFFFF	#000000	##FFFFFF
##B31BA9	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AC

Deuteranopia (green-blind)

#526DA6

Tritanopia (blue-blind)

#BB3365

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31ba9;
/* rgb */ color: rgb(179, 27, 169);
/* oklch */ color: oklch(54.0% 0.229 331.4);

Tailwind

colors: {
  custom: {
    50: '#ce6ec3',
    500: '#b31ba9',
    950: '#000000',
  },
}

SCSS

$custom: #b31ba9;
$custom-light: #ce6ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ba9",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 169
  },
  "hsl": {
    "h": 303.947,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54031,
    "c": 0.22923,
    "h": 331.4
  },
  "luminance": 0.13232
}

Semantic roles & 50–950 ramp

primary

#B31BA9

secondary

#5ECC65

accent

#F04437

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140812

muted

#837B81

Preview Lab

Preview with #B31BA9

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

Preview Lab → · Contrast checker → · Palette generator →