#B53238#B53238

#B53238 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.167 H 22.9°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B53238
RGB	rgb(181, 50, 56)
HSL	hsl(357, 57%, 45%)
HSV	hsv(357, 72%, 71%)
CMYK	cmyk(0%, 72.4%, 69.1%, 29%)
CIE-LAB	lab(41.84, 52.56, 27.95)
CIE-LCH	lch(41.84, 59.53, 28.00°)
OKLab	oklab(51.89% 0.1541 0.065)
OKLCH	oklch(51.89% 0.167 22.9)
XYZ	xyz(20.9127, 12.3936, 5.0316)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53238 #32B5AF

analogous

#B53279 #B53238 #B56D32

triadic

#B53238 #38B532 #3238B5

tetradic

#B53238 #79B532 #32B5AF #6D32B5

square

#B53238 #79B532 #32B5AF #6D32B5

split-complementary

#B53238 #32B56D #3279B5

monochromatic

#55181A #852529 #B53238 #D0545A #DD8488

Accessibility & contrast

On white

6.04

#B53238 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B53238 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53238

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53238	#FFFFFF	#000000	##FFFFFF
##B53238	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575137

Deuteranopia (green-blind)

#786D34

Tritanopia (blue-blind)

#C70036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53238;
/* rgb */ color: rgb(181, 50, 56);
/* oklch */ color: oklch(51.9% 0.167 22.9);

Tailwind

colors: {
  custom: {
    50: '#d3736e',
    500: '#b53238',
    950: '#000000',
  },
}

SCSS

$custom: #b53238;
$custom-light: #d3736e;
$custom-dark: #000000;

JSON

{
  "hex": "#b53238",
  "rgb": {
    "r": 181,
    "g": 50,
    "b": 56
  },
  "hsl": {
    "h": 357.252,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51892,
    "c": 0.16728,
    "h": 22.9
  },
  "luminance": 0.1239
}

Semantic roles & 50–950 ramp

primary

#B53238

secondary

#7CC7C3

accent

#E0D948

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53238

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

Preview Lab → · Contrast checker → · Palette generator →