#B83733#B83733

#B83733 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.166 H 26.4°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B83733
RGB	rgb(184, 55, 51)
HSL	hsl(2, 57%, 46%)
HSV	hsv(2, 72%, 72%)
CMYK	cmyk(0%, 70.1%, 72.3%, 27.8%)
CIE-LAB	lab(43.01, 51.39, 32.45)
CIE-LCH	lch(43.01, 60.78, 32.27°)
OKLab	oklab(52.85% 0.149 0.0739)
OKLCH	oklch(52.85% 0.166 26.4)
XYZ	xyz(21.7333, 13.1650, 4.5280)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83733 #33B4B8

analogous

#B83371 #B83733 #B87933

triadic

#B83733 #33B837 #3733B8

tetradic

#B83733 #71B833 #33B4B8 #7933B8

square

#B83733 #71B833 #33B4B8 #7933B8

split-complementary

#B83733 #33B879 #3371B8

monochromatic

#581A18 #882926 #B83733 #D15B58 #DE8A88

Accessibility & contrast

On white

5.78

#B83733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B83733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83733

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83733	#FFFFFF	#000000	##FFFFFF
##B83733	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5431

Deuteranopia (green-blind)

#7C702F

Tritanopia (blue-blind)

#CA0937

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83733;
/* rgb */ color: rgb(184, 55, 51);
/* oklch */ color: oklch(52.8% 0.166 26.4);

Tailwind

colors: {
  custom: {
    50: '#d5766b',
    500: '#b83733',
    950: '#000000',
  },
}

SCSS

$custom: #b83733;
$custom-light: #d5766b;
$custom-dark: #000000;

JSON

{
  "hex": "#b83733",
  "rgb": {
    "r": 184,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.805,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52849,
    "c": 0.1663,
    "h": 26.4
  },
  "luminance": 0.13162
}

Semantic roles & 50–950 ramp

primary

#B83733

secondary

#7FC6C8

accent

#DBE048

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83733

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

Preview Lab → · Contrast checker → · Palette generator →