#B31BA7#B31BA7

#B31BA7 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 53.9% C 0.228 H 332.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B31BA7
RGB	rgb(179, 27, 167)
HSL	hsl(305, 74%, 40%)
HSV	hsv(305, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 6.7%, 29.8%)
CIE-LAB	lab(43.00, 70.07, -38.74)
CIE-LCH	lch(43.00, 80.07, 331.06°)
OKLab	oklab(53.92% 0.2013 -0.1068)
OKLCH	oklch(53.92% 0.228 332)
XYZ	xyz(25.9575, 13.1599, 37.7247)
Luminance	0.1316 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BA7 #1BB327

analogous

#731BB3 #B31BA7 #B31B5B

triadic

#B31BA7 #A7B31B #1BA7B3

tetradic

#B31BA7 #B3731B #1BB327 #1B5BB3

square

#B31BA7 #B3731B #1BB327 #1B5BB3

split-complementary

#B31BA7 #5BB31B #1BB373

monochromatic

#490B44 #7E1375 #B31BA7 #DF2CD1 #E761DD

Accessibility & contrast

On white

5.78

#B31BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B31BA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BA7

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BA7	#FFFFFF	#000000	##FFFFFF
##B31BA7	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0358AA

Deuteranopia (green-blind)

#536DA4

Tritanopia (blue-blind)

#BB3264

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31ba7;
/* rgb */ color: rgb(179, 27, 167);
/* oklch */ color: oklch(53.9% 0.228 332.0);

Tailwind

colors: {
  custom: {
    50: '#ce6ec1',
    500: '#b31ba7',
    950: '#000000',
  },
}

SCSS

$custom: #b31ba7;
$custom-light: #ce6ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ba7",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 167
  },
  "hsl": {
    "h": 304.737,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53916,
    "c": 0.22786,
    "h": 332
  },
  "luminance": 0.13158
}

Semantic roles & 50–950 ramp

primary

#B31BA7

secondary

#5ECC67

accent

#F04637

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31BA7

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

Preview Lab → · Contrast checker → · Palette generator →