#B5309F#B5309F

#B5309F is a mid, highly saturated purple. Relative luminance 0.144; OKLCH L 55.2% C 0.205 H 335.6°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#B5309F
RGB	rgb(181, 48, 159)
HSL	hsl(310, 58%, 45%)
HSV	hsv(310, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 12.2%, 29%)
CIE-LAB	lab(44.86, 63.78, -31.01)
CIE-LCH	lch(44.86, 70.92, 334.07°)
OKLab	oklab(55.18% 0.1866 -0.0846)
OKLCH	oklch(55.18% 0.205 335.6)
XYZ	xyz(26.3714, 14.4432, 34.1931)
Luminance	0.1444 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5309F #30B546

analogous

#8930B5 #B5309F #B5305C

triadic

#B5309F #9FB530 #309FB5

tetradic

#B5309F #B58930 #30B546 #305CB5

square

#B5309F #B58930 #30B546 #305CB5

split-complementary

#B5309F #5CB530 #30B589

monochromatic

#54164A #852375 #B5309F #D151BC #DE82CF

Accessibility & contrast

On white

5.40

#B5309F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#B5309F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5309F

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5309F	#FFFFFF	#000000	##FFFFFF
##B5309F	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315DA2

Deuteranopia (green-blind)

#60719C

Tritanopia (blue-blind)

#BE3A64

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b5309f;
/* rgb */ color: rgb(181, 48, 159);
/* oklch */ color: oklch(55.2% 0.205 335.6);

Tailwind

colors: {
  custom: {
    50: '#cf76bb',
    500: '#b5309f',
    950: '#000000',
  },
}

SCSS

$custom: #b5309f;
$custom-light: #cf76bb;
$custom-dark: #000000;

JSON

{
  "hex": "#b5309f",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 309.925,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55177,
    "c": 0.20489,
    "h": 335.6
  },
  "luminance": 0.14441
}

Semantic roles & 50–950 ramp

primary

#B5309F

secondary

#7AC787

accent

#E16046

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B5309F

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

Preview Lab → · Contrast checker → · Palette generator →