#B5304D#B5304D

#B5304D is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.169 H 12.9°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B5304D
RGB	rgb(181, 48, 77)
HSL	hsl(347, 58%, 45%)
HSV	hsv(347, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 57.5%, 29%)
CIE-LAB	lab(41.96, 54.59, 15.14)
CIE-LCH	lch(41.96, 56.65, 15.50°)
OKLab	oklab(52.11% 0.1647 0.0377)
OKLCH	oklch(52.11% 0.169 12.9)
XYZ	xyz(21.4546, 12.4765, 8.2982)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5304D #30B598

analogous

#B53090 #B5304D #B55530

triadic

#B5304D #4DB530 #304DB5

tetradic

#B5304D #90B530 #30B598 #5530B5

square

#B5304D #90B530 #30B598 #5530B5

split-complementary

#B5304D #30B555 #3090B5

monochromatic

#541624 #852338 #B5304D #D1516D #DE8296

Accessibility & contrast

On white

6.01

#B5304D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B5304D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5304D

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5304D	#FFFFFF	#000000	##FFFFFF
##B5304D	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)

#53524D

Deuteranopia (green-blind)

#756D4A

Tritanopia (blue-blind)

#C6073C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5304d;
/* rgb */ color: rgb(181, 48, 77);
/* oklch */ color: oklch(52.1% 0.169 12.9);

Tailwind

colors: {
  custom: {
    50: '#d2737e',
    500: '#b5304d',
    950: '#000000',
  },
}

SCSS

$custom: #b5304d;
$custom-light: #d2737e;
$custom-dark: #000000;

JSON

{
  "hex": "#b5304d",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 77
  },
  "hsl": {
    "h": 346.917,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52113,
    "c": 0.16894,
    "h": 12.9
  },
  "luminance": 0.12473
}

Semantic roles & 50–950 ramp

primary

#B5304D

secondary

#7AC7B6

accent

#E1C046

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B5304D

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

Preview Lab → · Contrast checker → · Palette generator →