#B31BB3#B31BB3

#B31BB3 is a mid, highly saturated purple. Relative luminance 0.136; OKLCH L 54.6% C 0.236 H 328.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B31BB3
RGB	rgb(179, 27, 179)
HSL	hsl(300, 74%, 40%)
HSV	hsv(300, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 0%, 29.8%)
CIE-LAB	lab(43.69, 71.88, -44.77)
CIE-LCH	lch(43.69, 84.69, 328.08°)
OKLab	oklab(54.62% 0.2008 -0.1243)
OKLCH	oklch(54.62% 0.236 328.2)
XYZ	xyz(27.1187, 13.6244, 43.8405)
Luminance	0.1362 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BB3 #1BB31B

analogous

#671BB3 #B31BB3 #B31B67

triadic

#B31BB3 #B3B31B #1BB3B3

tetradic

#B31BB3 #B3671B #1BB31B #1B67B3

square

#B31BB3 #B3671B #1BB31B #1B67B3

split-complementary

#B31BB3 #67B31B #1BB367

monochromatic

#490B49 #7E137E #B31BB3 #DF2CDF #E761E7

Accessibility & contrast

On white

5.64

#B31BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B31BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BB3

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BB3	#FFFFFF	#000000	##FFFFFF
##B31BB3	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB7

Deuteranopia (green-blind)

#4C6EB0

Tritanopia (blue-blind)

#B9396B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b31bb3;
/* rgb */ color: rgb(179, 27, 179);
/* oklch */ color: oklch(54.6% 0.236 328.2);

Tailwind

colors: {
  custom: {
    50: '#ce6fca',
    500: '#b31bb3',
    950: '#000000',
  },
}

SCSS

$custom: #b31bb3;
$custom-light: #ce6fca;
$custom-dark: #000000;

JSON

{
  "hex": "#b31bb3",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 179
  },
  "hsl": {
    "h": 300,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54623,
    "c": 0.23618,
    "h": 328.2
  },
  "luminance": 0.13622
}

Semantic roles & 50–950 ramp

primary

#B31BB3

secondary

#5ECC5E

accent

#F03737

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140913

muted

#837B82

Preview Lab

Preview with #B31BB3

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

Preview Lab → · Contrast checker → · Palette generator →