#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
RGB	rgb(179, 29, 169)
HSL	hsl(304, 72%, 41%)
HSV	hsv(304, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 5.6%, 29.8%)
CIE-LAB	lab(43.26, 69.96, -39.53)
CIE-LCH	lch(43.26, 80.36, 330.53°)
OKLab	oklab(54.13% 0.2001 -0.1091)
OKLCH	oklch(54.13% 0.228 331.4)
XYZ	xyz(26.1912, 13.3292, 38.7218)
Luminance	0.1333 (WCAG relative)
Temperature	neutral
Family	purple

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
##B31DA9	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

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.

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