#B53239#B53239

#B53239 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.167 H 22.5°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B53239
RGB	rgb(181, 50, 57)
HSL	hsl(357, 57%, 45%)
HSV	hsv(357, 72%, 71%)
CMYK	cmyk(0%, 72.4%, 68.5%, 29%)
CIE-LAB	lab(41.85, 52.62, 27.36)
CIE-LCH	lch(41.85, 59.30, 27.47°)
OKLab	oklab(51.91% 0.1545 0.0639)
OKLCH	oklch(51.91% 0.167 22.5)
XYZ	xyz(20.9375, 12.4035, 5.1617)
Luminance	0.1240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53239 #32B5AE

analogous

#B5327A #B53239 #B56C32

triadic

#B53239 #39B532 #3239B5

tetradic

#B53239 #7AB532 #32B5AE #6C32B5

square

#B53239 #7AB532 #32B5AE #6C32B5

split-complementary

#B53239 #32B56C #327AB5

monochromatic

#55181B #85252A #B53239 #D0545B #DD8489

Accessibility & contrast

On white

6.03

#B53239 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B53239 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53239

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53239	#FFFFFF	#000000	##FFFFFF
##B53239	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575138

Deuteranopia (green-blind)

#786D35

Tritanopia (blue-blind)

#C70036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53239;
/* rgb */ color: rgb(181, 50, 57);
/* oklch */ color: oklch(51.9% 0.167 22.5);

Tailwind

colors: {
  custom: {
    50: '#d3736f',
    500: '#b53239',
    950: '#000000',
  },
}

SCSS

$custom: #b53239;
$custom-light: #d3736f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53239",
  "rgb": {
    "r": 181,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 356.794,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51908,
    "c": 0.16719,
    "h": 22.5
  },
  "luminance": 0.124
}

Semantic roles & 50–950 ramp

primary

#B53239

secondary

#7CC7C3

accent

#E0D848

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53239

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

Preview Lab → · Contrast checker → · Palette generator →