#B83837#B83837

#B83837 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.165 H 25.1°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B83837
RGB	rgb(184, 56, 55)
HSL	hsl(0, 54%, 47%)
HSV	hsv(0, 70%, 72%)
CMYK	cmyk(0%, 69.6%, 70.1%, 27.8%)
CIE-LAB	lab(43.21, 51.20, 30.33)
CIE-LCH	lch(43.21, 59.50, 30.64°)
OKLab	oklab(53.01% 0.1492 0.07)
OKLCH	oklch(53.01% 0.165 25.1)
XYZ	xyz(21.8733, 13.2977, 5.0286)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83837 #37B7B8

analogous

#B83777 #B83837 #B87937

triadic

#B83837 #37B838 #3837B8

tetradic

#B83837 #77B837 #37B7B8 #7937B8

square

#B83837 #77B837 #37B7B8 #7937B8

split-complementary

#B83837 #37B879 #3777B8

monochromatic

#5A1B1B #892A29 #B83837 #CF5E5D #DD8D8D

Accessibility & contrast

On white

5.74

#B83837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B83837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83837

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83837	#FFFFFF	#000000	##FFFFFF
##B83837	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5536

Deuteranopia (green-blind)

#7C7033

Tritanopia (blue-blind)

#CA0F39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83837;
/* rgb */ color: rgb(184, 56, 55);
/* oklch */ color: oklch(53.0% 0.165 25.1);

Tailwind

colors: {
  custom: {
    50: '#d5776e',
    500: '#b83837',
    950: '#000000',
  },
}

SCSS

$custom: #b83837;
$custom-light: #d5776e;
$custom-dark: #000000;

JSON

{
  "hex": "#b83837",
  "rgb": {
    "r": 184,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.465,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53014,
    "c": 0.1648,
    "h": 25.1
  },
  "luminance": 0.13295
}

Semantic roles & 50–950 ramp

primary

#B83837

secondary

#84C7C7

accent

#DCDD4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83837

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

Preview Lab → · Contrast checker → · Palette generator →