#B31FA4#B31FA4

#B31FA4 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 54.0% C 0.223 H 333.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B31FA4
RGB	rgb(179, 31, 164)
HSL	hsl(306, 70%, 41%)
HSV	hsv(306, 83%, 70%)
CMYK	cmyk(0%, 82.7%, 8.4%, 29.8%)
CIE-LAB	lab(43.13, 68.78, -36.75)
CIE-LCH	lch(43.13, 77.98, 331.89°)
OKLab	oklab(53.96% 0.1988 -0.1011)
OKLCH	oklch(53.96% 0.223 333.1)
XYZ	xyz(25.7814, 13.2463, 36.3137)
Luminance	0.1324 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31FA4 #1FB32E

analogous

#781FB3 #B31FA4 #B31F5A

triadic

#B31FA4 #A4B31F #1FA4B3

tetradic

#B31FA4 #B3781F #1FB32E #1F5AB3

square

#B31FA4 #B3781F #1FB32E #1F5AB3

split-complementary

#B31FA4 #5AB31F #1FB378

monochromatic

#4B0D44 #7F1674 #B31FA4 #DC33CB #E568D8

Accessibility & contrast

On white

5.76

#B31FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B31FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31FA4

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31FA4	#FFFFFF	#000000	##FFFFFF
##B31FA4	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)

#1459A7

Deuteranopia (green-blind)

#566DA1

Tritanopia (blue-blind)

#BB3263

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31fa4;
/* rgb */ color: rgb(179, 31, 164);
/* oklch */ color: oklch(54.0% 0.223 333.1);

Tailwind

colors: {
  custom: {
    50: '#ce6fbf',
    500: '#b31fa4',
    950: '#000000',
  },
}

SCSS

$custom: #b31fa4;
$custom-light: #ce6fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#b31fa4",
  "rgb": {
    "r": 179,
    "g": 31,
    "b": 164
  },
  "hsl": {
    "h": 306.081,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.53955,
    "c": 0.22301,
    "h": 333.1
  },
  "luminance": 0.13244
}

Semantic roles & 50–950 ramp

primary

#B31FA4

secondary

#64CA6E

accent

#ED4D3B

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B31FA4

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

Preview Lab → · Contrast checker → · Palette generator →