#B31CA4#B31CA4

#B31CA4 is a mid, highly saturated purple. Relative luminance 0.131; OKLCH L 53.8% C 0.225 H 333.0°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B31CA4
RGB	rgb(179, 28, 164)
HSL	hsl(306, 73%, 41%)
HSV	hsv(306, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 8.4%, 29.8%)
CIE-LAB	lab(42.91, 69.43, -37.10)
CIE-LCH	lch(42.91, 78.72, 331.88°)
OKLab	oklab(53.8% 0.2007 -0.1021)
OKLCH	oklch(53.8% 0.225 333)
XYZ	xyz(25.7067, 13.0969, 36.2888)
Luminance	0.1310 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31CA4 #1CB32B

analogous

#761CB3 #B31CA4 #B31C59

triadic

#B31CA4 #A4B31C #1CA4B3

tetradic

#B31CA4 #B3761C #1CB32B #1C59B3

square

#B31CA4 #B3761C #1CB32B #1C59B3

split-complementary

#B31CA4 #59B31C #1CB376

monochromatic

#490B43 #7E1474 #B31CA4 #DE2ECD #E763D9

Accessibility & contrast

On white

5.80

#B31CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B31CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31CA4

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31CA4	#FFFFFF	#000000	##FFFFFF
##B31CA4	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F58A7

Deuteranopia (green-blind)

#556DA1

Tritanopia (blue-blind)

#BB3162

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31ca4;
/* rgb */ color: rgb(179, 28, 164);
/* oklch */ color: oklch(53.8% 0.225 333.0);

Tailwind

colors: {
  custom: {
    50: '#ce6ebf',
    500: '#b31ca4',
    950: '#000000',
  },
}

SCSS

$custom: #b31ca4;
$custom-light: #ce6ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ca4",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 164
  },
  "hsl": {
    "h": 305.96,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.53796,
    "c": 0.22515,
    "h": 333
  },
  "luminance": 0.13095
}

Semantic roles & 50–950 ramp

primary

#B31CA4

secondary

#5FCB6A

accent

#F04A38

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31CA4

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

Preview Lab → · Contrast checker → · Palette generator →