#B31FA5#B31FA5

#B31FA5 is a mid, highly saturated purple. Relative luminance 0.133; OKLCH L 54.0% C 0.224 H 332.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B31FA5
RGB	rgb(179, 31, 165)
HSL	hsl(306, 70%, 41%)
HSV	hsv(306, 83%, 70%)
CMYK	cmyk(0%, 82.7%, 7.8%, 29.8%)
CIE-LAB	lab(43.19, 68.93, -37.26)
CIE-LCH	lch(43.19, 78.35, 331.61°)
OKLab	oklab(54.01% 0.1988 -0.1025)
OKLCH	oklch(54.01% 0.224 332.7)
XYZ	xyz(25.8721, 13.2826, 36.7912)
Luminance	0.1328 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31FA5 #1FB32D

analogous

#771FB3 #B31FA5 #B31F5B

triadic

#B31FA5 #A5B31F #1FA5B3

tetradic

#B31FA5 #B3771F #1FB32D #1F5BB3

square

#B31FA5 #B3771F #1FB32D #1F5BB3

split-complementary

#B31FA5 #5BB31F #1FB377

monochromatic

#4B0D45 #7F1675 #B31FA5 #DC33CC #E568D9

Accessibility & contrast

On white

5.74

#B31FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B31FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31FA5

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31FA5	#FFFFFF	#000000	##FFFFFF
##B31FA5	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1259A8

Deuteranopia (green-blind)

#556DA2

Tritanopia (blue-blind)

#BB3363

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31fa5;
/* rgb */ color: rgb(179, 31, 165);
/* oklch */ color: oklch(54.0% 0.224 332.7);

Tailwind

colors: {
  custom: {
    50: '#ce6fc0',
    500: '#b31fa5',
    950: '#000000',
  },
}

SCSS

$custom: #b31fa5;
$custom-light: #ce6fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#b31fa5",
  "rgb": {
    "r": 179,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 305.676,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.54011,
    "c": 0.22369,
    "h": 332.7
  },
  "luminance": 0.1328
}

Semantic roles & 50–950 ramp

primary

#B31FA5

secondary

#64CA6D

accent

#ED4B3B

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B31FA5

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

Preview Lab → · Contrast checker → · Palette generator →