#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
RGBrgb(184, 55, 51)
HSLhsl(2, 57%, 46%)
HSVhsv(2, 72%, 72%)
CMYKcmyk(0%, 70.1%, 72.3%, 27.8%)
CIE-LABlab(43.01, 51.39, 32.45)
CIE-LCHlch(43.01, 60.78, 32.27°)
OKLaboklab(52.85% 0.149 0.0739)
OKLCHoklch(52.85% 0.166 26.4)
XYZxyz(21.7333, 13.1650, 4.5280)
Luminance0.1316 (WCAG relative)
Temperaturewarm
Familyred

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
##B837331.005.783.635.78
#FFFFFF5.781.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.781.0021.001.00

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 →

#B83733 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva