#B31BA1#B31BA1

#B31BA1 is a mid, highly saturated purple. Relative luminance 0.129; OKLCH L 53.6% C 0.224 H 334.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B31BA1
RGB	rgb(179, 27, 161)
HSL	hsl(307, 74%, 40%)
HSV	hsv(307, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 10.1%, 29.8%)
CIE-LAB	lab(42.68, 69.20, -35.67)
CIE-LCH	lch(42.68, 77.86, 332.73°)
OKLab	oklab(53.58% 0.2013 -0.0979)
OKLCH	oklch(53.58% 0.224 334.1)
XYZ	xyz(25.4156, 12.9431, 34.8710)
Luminance	0.1294 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BA1 #1BB32D

analogous

#791BB3 #B31BA1 #B31B55

triadic

#B31BA1 #A1B31B #1BA1B3

tetradic

#B31BA1 #B3791B #1BB32D #1B55B3

square

#B31BA1 #B3791B #1BB32D #1B55B3

split-complementary

#B31BA1 #55B31B #1BB379

monochromatic

#490B41 #7E1371 #B31BA1 #DF2CCA #E761D7

Accessibility & contrast

On white

5.85

#B31BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B31BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BA1

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BA1	#FFFFFF	#000000	##FFFFFF
##B31BA1	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1457A4

Deuteranopia (green-blind)

#566C9E

Tritanopia (blue-blind)

#BC2E60

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31ba1;
/* rgb */ color: rgb(179, 27, 161);
/* oklch */ color: oklch(53.6% 0.224 334.1);

Tailwind

colors: {
  custom: {
    50: '#ce6ebd',
    500: '#b31ba1',
    950: '#000000',
  },
}

SCSS

$custom: #b31ba1;
$custom-light: #ce6ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ba1",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 307.105,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53579,
    "c": 0.22382,
    "h": 334.1
  },
  "luminance": 0.12941
}

Semantic roles & 50–950 ramp

primary

#B31BA1

secondary

#5ECC6B

accent

#F04D37

background

#FDF7FB

surface

#FAEDF6

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31BA1

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

Preview Lab → · Contrast checker → · Palette generator →