#B5304A#B5304A

#B5304A is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.169 H 14.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B5304A
RGB	rgb(181, 48, 74)
HSL	hsl(348, 58%, 45%)
HSV	hsv(348, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 59.1%, 29%)
CIE-LAB	lab(41.90, 54.38, 16.93)
CIE-LCH	lch(41.90, 56.95, 17.29°)
OKLab	oklab(52.04% 0.1635 0.0418)
OKLCH	oklch(52.04% 0.169 14.3)
XYZ	xyz(21.3511, 12.4351, 7.7532)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5304A #30B59B

analogous

#B5308C #B5304A #B55930

triadic

#B5304A #4AB530 #304AB5

tetradic

#B5304A #8CB530 #30B59B #5930B5

square

#B5304A #8CB530 #30B59B #5930B5

split-complementary

#B5304A #30B559 #308CB5

monochromatic

#541622 #852336 #B5304A #D1516A #DE8294

Accessibility & contrast

On white

6.02

#B5304A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B5304A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5304A

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5304A	#FFFFFF	#000000	##FFFFFF
##B5304A	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53514A

Deuteranopia (green-blind)

#766D47

Tritanopia (blue-blind)

#C6053B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5304a;
/* rgb */ color: rgb(181, 48, 74);
/* oklch */ color: oklch(52.0% 0.169 14.3);

Tailwind

colors: {
  custom: {
    50: '#d2737c',
    500: '#b5304a',
    950: '#000000',
  },
}

SCSS

$custom: #b5304a;
$custom-light: #d2737c;
$custom-dark: #000000;

JSON

{
  "hex": "#b5304a",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 348.271,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52044,
    "c": 0.16874,
    "h": 14.3
  },
  "luminance": 0.12432
}

Semantic roles & 50–950 ramp

primary

#B5304A

secondary

#7AC7B8

accent

#E1C346

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B5304A

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

Preview Lab → · Contrast checker → · Palette generator →