#B31FA9#B31FA9

#B31FA9 is a mid, highly saturated purple. Relative luminance 0.134; OKLCH L 54.2% C 0.226 H 331.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B31FA9
RGB	rgb(179, 31, 169)
HSL	hsl(304, 70%, 41%)
HSV	hsv(304, 83%, 70%)
CMYK	cmyk(0%, 82.7%, 5.6%, 29.8%)
CIE-LAB	lab(43.40, 69.52, -39.30)
CIE-LCH	lch(43.40, 79.86, 330.52°)
OKLab	oklab(54.24% 0.1988 -0.1084)
OKLCH	oklch(54.24% 0.226 331.4)
XYZ	xyz(26.2419, 13.4305, 38.7387)
Luminance	0.1343 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31FA9 #1FB329

analogous

#731FB3 #B31FA9 #B31F5F

triadic

#B31FA9 #A9B31F #1FA9B3

tetradic

#B31FA9 #B3731F #1FB329 #1F5FB3

square

#B31FA9 #B3731F #1FB329 #1F5FB3

split-complementary

#B31FA9 #5FB31F #1FB373

monochromatic

#4B0D46 #7F1678 #B31FA9 #DC33D0 #E568DC

Accessibility & contrast

On white

5.70

#B31FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B31FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31FA9

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31FA9	#FFFFFF	#000000	##FFFFFF
##B31FA9	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#065AAC

Deuteranopia (green-blind)

#536DA6

Tritanopia (blue-blind)

#BB3566

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b31fa9;
/* rgb */ color: rgb(179, 31, 169);
/* oklch */ color: oklch(54.2% 0.226 331.4);

Tailwind

colors: {
  custom: {
    50: '#ce70c3',
    500: '#b31fa9',
    950: '#000000',
  },
}

SCSS

$custom: #b31fa9;
$custom-light: #ce70c3;
$custom-dark: #000000;

JSON

{
  "hex": "#b31fa9",
  "rgb": {
    "r": 179,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 304.054,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.54237,
    "c": 0.22645,
    "h": 331.4
  },
  "luminance": 0.13428
}

Semantic roles & 50–950 ramp

primary

#B31FA9

secondary

#64CA6A

accent

#ED473B

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140912

muted

#837B81

Preview Lab

Preview with #B31FA9

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

Preview Lab → · Contrast checker → · Palette generator →