#B83831#B83831

#B83831 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.166 H 27.4°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B83831
RGB	rgb(184, 56, 49)
HSL	hsl(3, 58%, 46%)
HSV	hsv(3, 73%, 72%)
CMYK	cmyk(0%, 69.6%, 73.4%, 27.8%)
CIE-LAB	lab(43.13, 50.91, 33.75)
CIE-LCH	lch(43.13, 61.08, 33.54°)
OKLab	oklab(52.93% 0.147 0.0763)
OKLCH	oklch(52.93% 0.166 27.4)
XYZ	xyz(21.7381, 13.2437, 4.3168)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83831 #31B1B8

analogous

#B8316D #B83831 #B87B31

triadic

#B83831 #31B838 #3831B8

tetradic

#B83831 #6DB831 #31B1B8 #7B31B8

square

#B83831 #6DB831 #31B1B8 #7B31B8

split-complementary

#B83831 #31B87B #316DB8

monochromatic

#571B17 #882924 #B83831 #D25B55 #DE8A85

Accessibility & contrast

On white

5.76

#B83831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B83831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83831

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83831	#FFFFFF	#000000	##FFFFFF
##B83831	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542F

Deuteranopia (green-blind)

#7C702D

Tritanopia (blue-blind)

#CA0C38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83831;
/* rgb */ color: rgb(184, 56, 49);
/* oklch */ color: oklch(52.9% 0.166 27.4);

Tailwind

colors: {
  custom: {
    50: '#d57769',
    500: '#b83831',
    950: '#000000',
  },
}

SCSS

$custom: #b83831;
$custom-light: #d57769;
$custom-dark: #000000;

JSON

{
  "hex": "#b83831",
  "rgb": {
    "r": 184,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 3.111,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52928,
    "c": 0.16565,
    "h": 27.4
  },
  "luminance": 0.1324
}

Semantic roles & 50–950 ramp

primary

#B83831

secondary

#7DC4C8

accent

#D9E147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83831

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

Preview Lab → · Contrast checker → · Palette generator →