#B31DA9#B31DA9

#B31DA9 is a mid, highly saturated purple. Relative luminance 0.133; OKLCH L 54.1% C 0.228 H 331.4°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#B31DA9
RGBrgb(179, 29, 169)
HSLhsl(304, 72%, 41%)
HSVhsv(304, 84%, 70%)
CMYKcmyk(0%, 83.8%, 5.6%, 29.8%)
CIE-LABlab(43.26, 69.96, -39.53)
CIE-LCHlch(43.26, 80.36, 330.53°)
OKLaboklab(54.13% 0.2001 -0.1091)
OKLCHoklch(54.13% 0.228 331.4)
XYZxyz(26.1912, 13.3292, 38.7218)
Luminance0.1333 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B31DA9 #1DB327
analogous
#721DB3 #B31DA9 #B31D5E
triadic
#B31DA9 #A9B31D #1DA9B3
tetradic
#B31DA9 #B3721D #1DB327 #1D5EB3
square
#B31DA9 #B3721D #1DB327 #1D5EB3
split-complementary
#B31DA9 #5EB31D #1DB372
monochromatic
#4A0C46 #7E1477 #B31DA9 #DD30D2 #E664DD

Accessibility & contrast

On white

5.73
#B31DA9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.67
#B31DA9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31DA9
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B31DA9#FFFFFF#000000##FFFFFF
##B31DA91.005.733.675.73
#FFFFFF5.731.0021.001.00
#0000003.6721.001.0021.00
##FFFFFF5.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0159AC
Deuteranopia (green-blind)
#536DA6
Tritanopia (blue-blind)
#BB3465
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b31da9;
/* rgb */ color: rgb(179, 29, 169);
/* oklch */ color: oklch(54.1% 0.228 331.4);
Tailwind
colors: {
  custom: {
    50: '#ce6fc3',
    500: '#b31da9',
    950: '#000000',
  },
}
SCSS
$custom: #b31da9;
$custom-light: #ce6fc3;
$custom-dark: #000000;
JSON
{
  "hex": "#b31da9",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 169
  },
  "hsl": {
    "h": 304,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.54131,
    "c": 0.22788,
    "h": 331.4
  },
  "luminance": 0.13327
}

Semantic roles & 50–950 ramp

primary
#B31DA9
secondary
#61CB68
accent
#EF4539
background
#FDF7FC
surface
#FAEDF8
border
#D3C8D1
text
#140912
muted
#837B81

Preview Lab

Preview with #B31DA9

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

Preview Lab → · Contrast checker → · Palette generator →

#B31DA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva