#B5309E#B5309E

#B5309E is a mid, highly saturated pink. Relative luminance 0.144; OKLCH L 55.1% C 0.204 H 336.0°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#B5309E
RGB	rgb(181, 48, 158)
HSL	hsl(310, 58%, 45%)
HSV	hsv(310, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 12.7%, 29%)
CIE-LAB	lab(44.81, 63.63, -30.49)
CIE-LCH	lch(44.81, 70.56, 334.40°)
OKLab	oklab(55.13% 0.1865 -0.0831)
OKLCH	oklch(55.13% 0.204 336)
XYZ	xyz(26.2850, 14.4087, 33.7379)
Luminance	0.1441 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5309E #30B547

analogous

#8A30B5 #B5309E #B5305B

triadic

#B5309E #9EB530 #309EB5

tetradic

#B5309E #B58A30 #30B547 #305BB5

square

#B5309E #B58A30 #30B547 #305BB5

split-complementary

#B5309E #5BB530 #30B58A

monochromatic

#54164A #852374 #B5309E #D151BB #DE82CE

Accessibility & contrast

On white

5.41

#B5309E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#B5309E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5309E

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5309E	#FFFFFF	#000000	##FFFFFF
##B5309E	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA1

Deuteranopia (green-blind)

#60719B

Tritanopia (blue-blind)

#BE3A64

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b5309e;
/* rgb */ color: rgb(181, 48, 158);
/* oklch */ color: oklch(55.1% 0.204 336.0);

Tailwind

colors: {
  custom: {
    50: '#cf75bb',
    500: '#b5309e',
    950: '#000000',
  },
}

SCSS

$custom: #b5309e;
$custom-light: #cf75bb;
$custom-dark: #000000;

JSON

{
  "hex": "#b5309e",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 310.376,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55127,
    "c": 0.2042,
    "h": 336
  },
  "luminance": 0.14406
}

Semantic roles & 50–950 ramp

primary

#B5309E

secondary

#7AC787

accent

#E16146

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B5309E

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

Preview Lab → · Contrast checker → · Palette generator →