#B83631#B83631

#B83631 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.168 H 26.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B83631
RGB	rgb(184, 54, 49)
HSL	hsl(2, 58%, 46%)
HSV	hsv(2, 73%, 72%)
CMYK	cmyk(0%, 70.7%, 73.4%, 27.8%)
CIE-LAB	lab(42.84, 51.69, 33.43)
CIE-LCH	lch(42.84, 61.55, 32.89°)
OKLab	oklab(52.72% 0.1495 0.0756)
OKLCH	oklch(52.72% 0.168 26.8)
XYZ	xyz(21.6431, 13.0537, 4.2851)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83631 #31B3B8

analogous

#B8316F #B83631 #B87931

triadic

#B83631 #31B836 #3631B8

tetradic

#B83631 #6FB831 #31B3B8 #7931B8

square

#B83631 #6FB831 #31B3B8 #7931B8

split-complementary

#B83631 #31B879 #316FB8

monochromatic

#571A17 #882824 #B83631 #D25955 #DE8885

Accessibility & contrast

On white

5.82

#B83631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B83631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83631

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83631	#FFFFFF	#000000	##FFFFFF
##B83631	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532F

Deuteranopia (green-blind)

#7C702C

Tritanopia (blue-blind)

#CA0436

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83631;
/* rgb */ color: rgb(184, 54, 49);
/* oklch */ color: oklch(52.7% 0.168 26.8);

Tailwind

colors: {
  custom: {
    50: '#d67669',
    500: '#b83631',
    950: '#000000',
  },
}

SCSS

$custom: #b83631;
$custom-light: #d67669;
$custom-dark: #000000;

JSON

{
  "hex": "#b83631",
  "rgb": {
    "r": 184,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 2.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52716,
    "c": 0.16751,
    "h": 26.8
  },
  "luminance": 0.1305
}

Semantic roles & 50–950 ramp

primary

#B83631

secondary

#7DC5C8

accent

#DBE147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83631

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

Preview Lab → · Contrast checker → · Palette generator →