#B31DA7#B31DA7

#B31DA7 is a mid, highly saturated purple. Relative luminance 0.133; OKLCH L 54.0% C 0.227 H 332.0°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B31DA7
RGB	rgb(179, 29, 167)
HSL	hsl(305, 72%, 41%)
HSV	hsv(305, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 6.7%, 29.8%)
CIE-LAB	lab(43.14, 69.66, -38.52)
CIE-LCH	lch(43.14, 79.60, 331.06°)
OKLab	oklab(54.02% 0.2001 -0.1062)
OKLCH	oklch(54.02% 0.227 332)
XYZ	xyz(26.0049, 13.2547, 37.7405)
Luminance	0.1325 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31DA7 #1DB329

analogous

#741DB3 #B31DA7 #B31D5C

triadic

#B31DA7 #A7B31D #1DA7B3

tetradic

#B31DA7 #B3741D #1DB329 #1D5CB3

square

#B31DA7 #B3741D #1DB329 #1D5CB3

split-complementary

#B31DA7 #5CB31D #1DB374

monochromatic

#4A0C45 #7E1476 #B31DA7 #DD30D0 #E664DC

Accessibility & contrast

On white

5.75

#B31DA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B31DA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31DA7

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31DA7	#FFFFFF	#000000	##FFFFFF
##B31DA7	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0859AA

Deuteranopia (green-blind)

#546DA4

Tritanopia (blue-blind)

#BB3364

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31da7;
/* rgb */ color: rgb(179, 29, 167);
/* oklch */ color: oklch(54.0% 0.227 332.0);

Tailwind

colors: {
  custom: {
    50: '#ce6fc1',
    500: '#b31da7',
    950: '#000000',
  },
}

SCSS

$custom: #b31da7;
$custom-light: #ce6fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#b31da7",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 167
  },
  "hsl": {
    "h": 304.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.54017,
    "c": 0.2265,
    "h": 332
  },
  "luminance": 0.13252
}

Semantic roles & 50–950 ramp

primary

#B31DA7

secondary

#61CB69

accent

#EF4839

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B31DA7

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

Preview Lab → · Contrast checker → · Palette generator →