#B83131#B83131

#B83131 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.172 H 25.5°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX#B83131
RGBrgb(184, 49, 49)
HSLhsl(0, 58%, 46%)
HSVhsv(0, 73%, 72%)
CMYKcmyk(0%, 73.4%, 73.4%, 27.8%)
CIE-LABlab(42.17, 53.54, 32.66)
CIE-LCHlch(42.17, 62.72, 31.38°)
OKLaboklab(52.22% 0.1553 0.0739)
OKLCHoklch(52.22% 0.172 25.5)
XYZxyz(21.4223, 12.6120, 4.2115)
Luminance0.1261 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B83131 #31B8B8
analogous
#B83174 #B83131 #B87431
triadic
#B83131 #31B831 #3131B8
tetradic
#B83131 #74B831 #31B8B8 #7431B8
square
#B83131 #74B831 #31B8B8 #7431B8
split-complementary
#B83131 #31B874 #3174B8
monochromatic
#571717 #882424 #B83131 #D25555 #DE8585

Accessibility & contrast

On white

5.96
#B83131 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.52
#B83131 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83131
5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B83131#FFFFFF#000000##FFFFFF
##B831311.005.963.525.96
#FFFFFF5.961.0021.001.00
#0000003.5221.001.0021.00
##FFFFFF5.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#59512F
Deuteranopia (green-blind)
#7A6E2C
Tritanopia (blue-blind)
#CB0033
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b83131;
/* rgb */ color: rgb(184, 49, 49);
/* oklch */ color: oklch(52.2% 0.172 25.5);
Tailwind
colors: {
  custom: {
    50: '#d67369',
    500: '#b83131',
    950: '#000000',
  },
}
SCSS
$custom: #b83131;
$custom-light: #d67369;
$custom-dark: #000000;
JSON
{
  "hex": "#b83131",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52215,
    "c": 0.17203,
    "h": 25.5
  },
  "luminance": 0.12609
}

Semantic roles & 50–950 ramp

primary
#B83131
secondary
#7DC8C8
accent
#E1E147
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A

Preview Lab

Preview with #B83131

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

Preview Lab → · Contrast checker → · Palette generator →

#B83131 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva