#B5309A#B5309A

#B5309A is a mid, highly saturated pink. Relative luminance 0.143; OKLCH L 54.9% C 0.201 H 337.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#B5309A
RGB	rgb(181, 48, 154)
HSL	hsl(312, 58%, 45%)
HSV	hsv(312, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 14.9%, 29%)
CIE-LAB	lab(44.62, 63.05, -28.39)
CIE-LCH	lch(44.62, 69.14, 335.76°)
OKLab	oklab(54.93% 0.1861 -0.0771)
OKLCH	oklch(54.93% 0.201 337.5)
XYZ	xyz(25.9463, 14.2732, 31.9541)
Luminance	0.1427 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5309A #30B54B

analogous

#8D30B5 #B5309A #B53058

triadic

#B5309A #9AB530 #309AB5

tetradic

#B5309A #B58D30 #30B54B #3058B5

square

#B5309A #B58D30 #30B54B #3058B5

split-complementary

#B5309A #58B530 #30B58D

monochromatic

#541648 #852371 #B5309A #D151B7 #DE82CB

Accessibility & contrast

On white

5.45

#B5309A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#B5309A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5309A

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5309A	#FFFFFF	#000000	##FFFFFF
##B5309A	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355C9D

Deuteranopia (green-blind)

#627197

Tritanopia (blue-blind)

#BF3861

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b5309a;
/* rgb */ color: rgb(181, 48, 154);
/* oklch */ color: oklch(54.9% 0.201 337.5);

Tailwind

colors: {
  custom: {
    50: '#cf75b8',
    500: '#b5309a',
    950: '#000000',
  },
}

SCSS

$custom: #b5309a;
$custom-light: #cf75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#b5309a",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 154
  },
  "hsl": {
    "h": 312.18,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54926,
    "c": 0.20144,
    "h": 337.5
  },
  "luminance": 0.14271
}

Semantic roles & 50–950 ramp

primary

#B5309A

secondary

#7AC78A

accent

#E16646

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140911

muted

#837B80

Preview Lab

Preview with #B5309A

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

Preview Lab → · Contrast checker → · Palette generator →