#B5309B#B5309B

#B5309B is a mid, highly saturated pink. Relative luminance 0.143; OKLCH L 55.0% C 0.202 H 337.1°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#B5309B
RGB	rgb(181, 48, 155)
HSL	hsl(312, 58%, 45%)
HSV	hsv(312, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 14.4%, 29%)
CIE-LAB	lab(44.67, 63.19, -28.91)
CIE-LCH	lch(44.67, 69.49, 335.41°)
OKLab	oklab(54.98% 0.1862 -0.0786)
OKLCH	oklch(54.98% 0.202 337.1)
XYZ	xyz(26.0299, 14.3066, 32.3946)
Luminance	0.1430 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5309B #30B54A

analogous

#8C30B5 #B5309B #B53059

triadic

#B5309B #9BB530 #309BB5

tetradic

#B5309B #B58C30 #30B54A #3059B5

square

#B5309B #B58C30 #30B54A #3059B5

split-complementary

#B5309B #59B530 #30B58C

monochromatic

#541648 #852372 #B5309B #D151B8 #DE82CC

Accessibility & contrast

On white

5.44

#B5309B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#B5309B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5309B

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5309B	#FFFFFF	#000000	##FFFFFF
##B5309B	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345D9E

Deuteranopia (green-blind)

#617198

Tritanopia (blue-blind)

#BF3862

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b5309b;
/* rgb */ color: rgb(181, 48, 155);
/* oklch */ color: oklch(55.0% 0.202 337.1);

Tailwind

colors: {
  custom: {
    50: '#cf75b9',
    500: '#b5309b',
    950: '#000000',
  },
}

SCSS

$custom: #b5309b;
$custom-light: #cf75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#b5309b",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 311.729,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54976,
    "c": 0.20212,
    "h": 337.1
  },
  "luminance": 0.14304
}

Semantic roles & 50–950 ramp

primary

#B5309B

secondary

#7AC789

accent

#E16546

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140911

muted

#837B80

Preview Lab

Preview with #B5309B

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

Preview Lab → · Contrast checker → · Palette generator →