#B0309C#B0309C

#B0309C is a mid, vivid purple. Relative luminance 0.137; OKLCH L 54.3% C 0.200 H 335.1°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B0309C
RGB	rgb(176, 48, 156)
HSL	hsl(309, 57%, 44%)
HSV	hsv(309, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 11.4%, 31%)
CIE-LAB	lab(43.87, 62.15, -30.83)
CIE-LCH	lch(43.87, 69.38, 333.62°)
OKLab	oklab(54.25% 0.1813 -0.0842)
OKLCH	oklch(54.25% 0.2 335.1)
XYZ	xyz(24.9625, 13.7465, 32.7847)
Luminance	0.1374 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0309C #30B044

analogous

#8430B0 #B0309C #B0305C

triadic

#B0309C #9CB030 #309CB0

tetradic

#B0309C #B08430 #30B044 #305CB0

square

#B0309C #B08430 #30B044 #305CB0

split-complementary

#B0309C #5CB030 #30B084

monochromatic

#501647 #802371 #B0309C #CF4EBB #DC7ECD

Accessibility & contrast

On white

5.60

#B0309C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B0309C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0309C

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0309C	#FFFFFF	#000000	##FFFFFF
##B0309C	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305C9F

Deuteranopia (green-blind)

#5D6E99

Tritanopia (blue-blind)

#B93A63

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b0309c;
/* rgb */ color: rgb(176, 48, 156);
/* oklch */ color: oklch(54.3% 0.200 335.1);

Tailwind

colors: {
  custom: {
    50: '#cb75b9',
    500: '#b0309c',
    950: '#000000',
  },
}

SCSS

$custom: #b0309c;
$custom-light: #cb75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#b0309c",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 156
  },
  "hsl": {
    "h": 309.375,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.54251,
    "c": 0.19992,
    "h": 335.1
  },
  "luminance": 0.13744
}

Semantic roles & 50–950 ramp

primary

#B0309C

secondary

#77C583

accent

#E05F47

background

#FCF7FB

surface

#F9EDF6

border

#D2C8D0

text

#140911

muted

#827B80

Preview Lab

Preview with #B0309C

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

Preview Lab → · Contrast checker → · Palette generator →