#B31FA3#B31FA3

#B31FA3 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 53.9% C 0.222 H 333.4°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B31FA3
RGB	rgb(179, 31, 163)
HSL	hsl(306, 70%, 41%)
HSV	hsv(306, 83%, 70%)
CMYK	cmyk(0%, 82.7%, 8.9%, 29.8%)
CIE-LAB	lab(43.08, 68.64, -36.23)
CIE-LCH	lch(43.08, 77.61, 332.17°)
OKLab	oklab(53.9% 0.1988 -0.0996)
OKLCH	oklch(53.9% 0.222 333.4)
XYZ	xyz(25.6915, 13.2103, 35.8400)
Luminance	0.1321 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31FA3 #1FB32F

analogous

#791FB3 #B31FA3 #B31F59

triadic

#B31FA3 #A3B31F #1FA3B3

tetradic

#B31FA3 #B3791F #1FB32F #1F59B3

square

#B31FA3 #B3791F #1FB32F #1F59B3

split-complementary

#B31FA3 #59B31F #1FB379

monochromatic

#4B0D44 #7F1673 #B31FA3 #DC33CA #E568D7

Accessibility & contrast

On white

5.77

#B31FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B31FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31FA3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31FA3	#FFFFFF	#000000	##FFFFFF
##B31FA3	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1658A6

Deuteranopia (green-blind)

#566DA0

Tritanopia (blue-blind)

#BB3262

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31fa3;
/* rgb */ color: rgb(179, 31, 163);
/* oklch */ color: oklch(53.9% 0.222 333.4);

Tailwind

colors: {
  custom: {
    50: '#ce6fbf',
    500: '#b31fa3',
    950: '#000000',
  },
}

SCSS

$custom: #b31fa3;
$custom-light: #ce6fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#b31fa3",
  "rgb": {
    "r": 179,
    "g": 31,
    "b": 163
  },
  "hsl": {
    "h": 306.486,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.539,
    "c": 0.22232,
    "h": 333.4
  },
  "luminance": 0.13208
}

Semantic roles & 50–950 ramp

primary

#B31FA3

secondary

#64CA6F

accent

#ED4E3B

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B31FA3

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

Preview Lab → · Contrast checker → · Palette generator →