#B31BA3#B31BA3

#B31BA3 is a mid, highly saturated purple. Relative luminance 0.130; OKLCH L 53.7% C 0.225 H 333.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B31BA3
RGB	rgb(179, 27, 163)
HSL	hsl(306, 74%, 40%)
HSV	hsv(306, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 8.9%, 29.8%)
CIE-LAB	lab(42.78, 69.49, -36.70)
CIE-LCH	lch(42.78, 78.59, 332.16°)
OKLab	oklab(53.69% 0.2013 -0.1009)
OKLCH	oklch(53.69% 0.225 333.4)
XYZ	xyz(25.5934, 13.0142, 35.8073)
Luminance	0.1301 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BA3 #1BB32B

analogous

#771BB3 #B31BA3 #B31B57

triadic

#B31BA3 #A3B31B #1BA3B3

tetradic

#B31BA3 #B3771B #1BB32B #1B57B3

square

#B31BA3 #B3771B #1BB32B #1B57B3

split-complementary

#B31BA3 #57B31B #1BB377

monochromatic

#490B42 #7E1373 #B31BA3 #DF2CCC #E761D9

Accessibility & contrast

On white

5.83

#B31BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B31BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BA3

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BA3	#FFFFFF	#000000	##FFFFFF
##B31BA3	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1058A6

Deuteranopia (green-blind)

#556CA0

Tritanopia (blue-blind)

#BB2F62

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b31ba3;
/* rgb */ color: rgb(179, 27, 163);
/* oklch */ color: oklch(53.7% 0.225 333.4);

Tailwind

colors: {
  custom: {
    50: '#ce6ebf',
    500: '#b31ba3',
    950: '#000000',
  },
}

SCSS

$custom: #b31ba3;
$custom-light: #ce6ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ba3",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 163
  },
  "hsl": {
    "h": 306.316,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5369,
    "c": 0.22515,
    "h": 333.4
  },
  "luminance": 0.13012
}

Semantic roles & 50–950 ramp

primary

#B31BA3

secondary

#5ECC6A

accent

#F04B37

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140812

muted

#837B81

Preview Lab

Preview with #B31BA3

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

Preview Lab → · Contrast checker → · Palette generator →