#B31CA7#B31CA7

#B31CA7 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 54.0% C 0.227 H 332.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B31CA7
RGB	rgb(179, 28, 167)
HSL	hsl(305, 73%, 41%)
HSV	hsv(305, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 6.7%, 29.8%)
CIE-LAB	lab(43.07, 69.87, -38.63)
CIE-LCH	lch(43.07, 79.84, 331.06°)
OKLab	oklab(53.97% 0.2007 -0.1065)
OKLCH	oklch(53.97% 0.227 332)
XYZ	xyz(25.9808, 13.2065, 37.7325)
Luminance	0.1320 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31CA7 #1CB328

analogous

#731CB3 #B31CA7 #B31C5B

triadic

#B31CA7 #A7B31C #1CA7B3

tetradic

#B31CA7 #B3731C #1CB328 #1C5BB3

square

#B31CA7 #B3731C #1CB328 #1C5BB3

split-complementary

#B31CA7 #5BB31C #1CB373

monochromatic

#490B44 #7E1476 #B31CA7 #DE2ED0 #E763DC

Accessibility & contrast

On white

5.77

#B31CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B31CA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31CA7

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31CA7	#FFFFFF	#000000	##FFFFFF
##B31CA7	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0659AA

Deuteranopia (green-blind)

#536DA4

Tritanopia (blue-blind)

#BB3364

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31ca7;
/* rgb */ color: rgb(179, 28, 167);
/* oklch */ color: oklch(54.0% 0.227 332.0);

Tailwind

colors: {
  custom: {
    50: '#ce6fc1',
    500: '#b31ca7',
    950: '#000000',
  },
}

SCSS

$custom: #b31ca7;
$custom-light: #ce6fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ca7",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 167
  },
  "hsl": {
    "h": 304.768,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.53966,
    "c": 0.22719,
    "h": 332
  },
  "luminance": 0.13204
}

Semantic roles & 50–950 ramp

primary

#B31CA7

secondary

#5FCB68

accent

#F04738

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B31CA7

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

Preview Lab → · Contrast checker → · Palette generator →