#B83437#B83437

#B83437 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.169 H 24.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B83437
RGB	rgb(184, 52, 55)
HSL	hsl(359, 56%, 46%)
HSV	hsv(359, 72%, 72%)
CMYK	cmyk(0%, 71.7%, 70.1%, 27.8%)
CIE-LAB	lab(42.65, 52.73, 29.66)
CIE-LCH	lch(42.65, 60.50, 29.36°)
OKLab	oklab(52.6% 0.1541 0.0685)
OKLCH	oklch(52.6% 0.169 24)
XYZ	xyz(21.6871, 12.9254, 4.9666)
Luminance	0.1292 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83437 #34B8B5

analogous

#B83479 #B83437 #B87334

triadic

#B83437 #37B834 #3437B8

tetradic

#B83437 #79B834 #34B8B5 #7334B8

square

#B83437 #79B834 #34B8B5 #7334B8

split-complementary

#B83437 #34B873 #3479B8

monochromatic

#59191A #882729 #B83437 #D0595C #DE898B

Accessibility & contrast

On white

5.86

#B83437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B83437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83437

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83437	#FFFFFF	#000000	##FFFFFF
##B83437	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5336

Deuteranopia (green-blind)

#7B6F33

Tritanopia (blue-blind)

#CA0037

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83437;
/* rgb */ color: rgb(184, 52, 55);
/* oklch */ color: oklch(52.6% 0.169 24.0);

Tailwind

colors: {
  custom: {
    50: '#d5756e',
    500: '#b83437',
    950: '#000000',
  },
}

SCSS

$custom: #b83437;
$custom-light: #d5756e;
$custom-dark: #000000;

JSON

{
  "hex": "#b83437",
  "rgb": {
    "r": 184,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.636,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52598,
    "c": 0.1686,
    "h": 24
  },
  "luminance": 0.12922
}

Semantic roles & 50–950 ramp

primary

#B83437

secondary

#80C8C6

accent

#DFDC49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83437

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

Preview Lab → · Contrast checker → · Palette generator →