#B31BA1#B31BA1

#B31BA1 is a mid, highly saturated purple. Relative luminance 0.129; OKLCH L 53.6% C 0.224 H 334.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#B31BA1
RGBrgb(179, 27, 161)
HSLhsl(307, 74%, 40%)
HSVhsv(307, 85%, 70%)
CMYKcmyk(0%, 84.9%, 10.1%, 29.8%)
CIE-LABlab(42.68, 69.20, -35.67)
CIE-LCHlch(42.68, 77.86, 332.73°)
OKLaboklab(53.58% 0.2013 -0.0979)
OKLCHoklch(53.58% 0.224 334.1)
XYZxyz(25.4156, 12.9431, 34.8710)
Luminance0.1294 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B31BA1 #1BB32D
analogous
#791BB3 #B31BA1 #B31B55
triadic
#B31BA1 #A1B31B #1BA1B3
tetradic
#B31BA1 #B3791B #1BB32D #1B55B3
square
#B31BA1 #B3791B #1BB32D #1B55B3
split-complementary
#B31BA1 #55B31B #1BB379
monochromatic
#490B41 #7E1371 #B31BA1 #DF2CCA #E761D7

Accessibility & contrast

On white

5.85
#B31BA1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.59
#B31BA1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BA1
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B31BA1#FFFFFF#000000##FFFFFF
##B31BA11.005.853.595.85
#FFFFFF5.851.0021.001.00
#0000003.5921.001.0021.00
##FFFFFF5.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1457A4
Deuteranopia (green-blind)
#566C9E
Tritanopia (blue-blind)
#BC2E60
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b31ba1;
/* rgb */ color: rgb(179, 27, 161);
/* oklch */ color: oklch(53.6% 0.224 334.1);
Tailwind
colors: {
  custom: {
    50: '#ce6ebd',
    500: '#b31ba1',
    950: '#000000',
  },
}
SCSS
$custom: #b31ba1;
$custom-light: #ce6ebd;
$custom-dark: #000000;
JSON
{
  "hex": "#b31ba1",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 307.105,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53579,
    "c": 0.22382,
    "h": 334.1
  },
  "luminance": 0.12941
}

Semantic roles & 50–950 ramp

primary
#B31BA1
secondary
#5ECC6B
accent
#F04D37
background
#FDF7FB
surface
#FAEDF6
border
#D3C8D0
text
#140812
muted
#837B81

Preview Lab

Preview with #B31BA1

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

Preview Lab → · Contrast checker → · Palette generator →

#B31BA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva