#B83137#B83137

#B83137 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.171 H 23.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#B83137
RGBrgb(184, 49, 55)
HSLhsl(357, 58%, 46%)
HSVhsv(357, 73%, 72%)
CMYKcmyk(0%, 73.4%, 70.1%, 27.8%)
CIE-LABlab(42.26, 53.82, 29.19)
CIE-LCHlch(42.26, 61.23, 28.47°)
OKLaboklab(52.3% 0.1575 0.0675)
OKLCHoklch(52.3% 0.171 23.2)
XYZxyz(21.5575, 12.6661, 4.9234)
Luminance0.1266 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B83137 #31B8B2
analogous
#B8317B #B83137 #B86E31
triadic
#B83137 #37B831 #3137B8
tetradic
#B83137 #7BB831 #31B8B2 #6E31B8
square
#B83137 #7BB831 #31B8B2 #6E31B8
split-complementary
#B83137 #31B86E #317BB8
monochromatic
#57171A #882429 #B83137 #D2555A #DE8589

Accessibility & contrast

On white

5.94
#B83137 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.53
#B83137 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83137
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B83137#FFFFFF#000000##FFFFFF
##B831371.005.943.535.94
#FFFFFF5.941.0021.001.00
#0000003.5321.001.0021.00
##FFFFFF5.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#585136
Deuteranopia (green-blind)
#7A6E33
Tritanopia (blue-blind)
#CA0035
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b83137;
/* rgb */ color: rgb(184, 49, 55);
/* oklch */ color: oklch(52.3% 0.171 23.2);
Tailwind
colors: {
  custom: {
    50: '#d5736e',
    500: '#b83137',
    950: '#000000',
  },
}
SCSS
$custom: #b83137;
$custom-light: #d5736e;
$custom-dark: #000000;
JSON
{
  "hex": "#b83137",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 357.333,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52303,
    "c": 0.17136,
    "h": 23.2
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary
#B83137
secondary
#7DC8C5
accent
#E1DA47
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160907
muted
#847B7A

Preview Lab

Preview with #B83137

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

Preview Lab → · Contrast checker → · Palette generator →

#B83137 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva