#B4309F#B4309F

#B4309F is a mid, highly saturated purple. Relative luminance 0.143; OKLCH L 55.0% C 0.204 H 335.3°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#B4309F
RGB	rgb(180, 48, 159)
HSL	hsl(310, 58%, 45%)
HSV	hsv(310, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 11.7%, 29.4%)
CIE-LAB	lab(44.69, 63.54, -31.29)
CIE-LCH	lch(44.69, 70.83, 333.79°)
OKLab	oklab(55.02% 0.1856 -0.0854)
OKLCH	oklch(55.02% 0.204 335.3)
XYZ	xyz(26.1377, 14.3227, 34.1821)
Luminance	0.1432 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4309F #30B445

analogous

#8730B4 #B4309F #B4305D

triadic

#B4309F #9FB430 #309FB4

tetradic

#B4309F #B48730 #30B445 #305DB4

square

#B4309F #B48730 #30B445 #305DB4

split-complementary

#B4309F #5DB430 #30B487

monochromatic

#53164A #842374 #B4309F #D151BC #DD81CF

Accessibility & contrast

On white

5.43

#B4309F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#B4309F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4309F

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4309F	#FFFFFF	#000000	##FFFFFF
##B4309F	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305DA2

Deuteranopia (green-blind)

#5F719C

Tritanopia (blue-blind)

#BD3A64

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b4309f;
/* rgb */ color: rgb(180, 48, 159);
/* oklch */ color: oklch(55.0% 0.204 335.3);

Tailwind

colors: {
  custom: {
    50: '#ce75bb',
    500: '#b4309f',
    950: '#000000',
  },
}

SCSS

$custom: #b4309f;
$custom-light: #ce75bb;
$custom-dark: #000000;

JSON

{
  "hex": "#b4309f",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 309.545,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55023,
    "c": 0.20432,
    "h": 335.3
  },
  "luminance": 0.1432
}

Semantic roles & 50–950 ramp

primary

#B4309F

secondary

#79C686

accent

#E15F47

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B4309F

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

Preview Lab → · Contrast checker → · Palette generator →