#B5304C#B5304C

#B5304C is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.169 H 13.4°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B5304C
RGB	rgb(181, 48, 76)
HSL	hsl(347, 58%, 45%)
HSV	hsv(347, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 58%, 29%)
CIE-LAB	lab(41.94, 54.52, 15.74)
CIE-LCH	lch(41.94, 56.75, 16.10°)
OKLab	oklab(52.09% 0.1643 0.0391)
OKLCH	oklch(52.09% 0.169 13.4)
XYZ	xyz(21.4196, 12.4625, 8.1137)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5304C #30B599

analogous

#B5308F #B5304C #B55630

triadic

#B5304C #4CB530 #304CB5

tetradic

#B5304C #8FB530 #30B599 #5630B5

square

#B5304C #8FB530 #30B599 #5630B5

split-complementary

#B5304C #30B556 #308FB5

monochromatic

#541623 #852338 #B5304C #D1516C #DE8295

Accessibility & contrast

On white

6.01

#B5304C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B5304C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5304C

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5304C	#FFFFFF	#000000	##FFFFFF
##B5304C	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53514C

Deuteranopia (green-blind)

#756D49

Tritanopia (blue-blind)

#C6063C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5304c;
/* rgb */ color: rgb(181, 48, 76);
/* oklch */ color: oklch(52.1% 0.169 13.4);

Tailwind

colors: {
  custom: {
    50: '#d2737d',
    500: '#b5304c',
    950: '#000000',
  },
}

SCSS

$custom: #b5304c;
$custom-light: #d2737d;
$custom-dark: #000000;

JSON

{
  "hex": "#b5304c",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 76
  },
  "hsl": {
    "h": 347.368,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5209,
    "c": 0.16886,
    "h": 13.4
  },
  "luminance": 0.12459
}

Semantic roles & 50–950 ramp

primary

#B5304C

secondary

#7AC7B7

accent

#E1C146

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B5304C

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

Preview Lab → · Contrast checker → · Palette generator →