#B5309C#B5309C

#B5309C is a mid, highly saturated pink. Relative luminance 0.143; OKLCH L 55.0% C 0.203 H 336.7°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#B5309C
RGB	rgb(181, 48, 156)
HSL	hsl(311, 58%, 45%)
HSV	hsv(311, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 13.8%, 29%)
CIE-LAB	lab(44.72, 63.34, -29.44)
CIE-LCH	lch(44.72, 69.84, 335.07°)
OKLab	oklab(55.03% 0.1863 -0.0801)
OKLCH	oklch(55.03% 0.203 336.7)
XYZ	xyz(26.1142, 14.3404, 32.8387)
Luminance	0.1434 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5309C #30B549

analogous

#8B30B5 #B5309C #B5305A

triadic

#B5309C #9CB530 #309CB5

tetradic

#B5309C #B58B30 #30B549 #305AB5

square

#B5309C #B58B30 #30B549 #305AB5

split-complementary

#B5309C #5AB530 #30B58B

monochromatic

#541649 #852372 #B5309C #D151B9 #DE82CC

Accessibility & contrast

On white

5.43

#B5309C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#B5309C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5309C

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5309C	#FFFFFF	#000000	##FFFFFF
##B5309C	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335D9F

Deuteranopia (green-blind)

#617199

Tritanopia (blue-blind)

#BF3963

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b5309c;
/* rgb */ color: rgb(181, 48, 156);
/* oklch */ color: oklch(55.0% 0.203 336.7);

Tailwind

colors: {
  custom: {
    50: '#cf75b9',
    500: '#b5309c',
    950: '#000000',
  },
}

SCSS

$custom: #b5309c;
$custom-light: #cf75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#b5309c",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 156
  },
  "hsl": {
    "h": 311.278,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55026,
    "c": 0.20281,
    "h": 336.7
  },
  "luminance": 0.14338
}

Semantic roles & 50–950 ramp

primary

#B5309C

secondary

#7AC788

accent

#E16446

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140911

muted

#837B80

Preview Lab

Preview with #B5309C

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

Preview Lab → · Contrast checker → · Palette generator →