#B83838#B83838

#B83838 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.165 H 24.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#B83838
RGBrgb(184, 56, 56)
HSLhsl(0, 53%, 47%)
HSVhsv(0, 70%, 72%)
CMYKcmyk(0%, 69.6%, 69.6%, 27.8%)
CIE-LABlab(43.22, 51.25, 29.75)
CIE-LCHlch(43.22, 59.26, 30.14°)
OKLaboklab(53.03% 0.1496 0.0689)
OKLCHoklch(53.03% 0.165 24.7)
XYZxyz(21.8975, 13.3074, 5.1562)
Luminance0.1330 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B83838 #38B8B8
analogous
#B83878 #B83838 #B87838
triadic
#B83838 #38B838 #3838B8
tetradic
#B83838 #78B838 #38B8B8 #7838B8
square
#B83838 #78B838 #38B8B8 #7838B8
split-complementary
#B83838 #38B878 #3878B8
monochromatic
#5A1B1B #892A2A #B83838 #CE5F5F #DD8E8E

Accessibility & contrast

On white

5.74
#B83838 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.66
#B83838 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83838
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B83838#FFFFFF#000000##FFFFFF
##B838381.005.743.665.74
#FFFFFF5.741.0021.001.00
#0000003.6621.001.0021.00
##FFFFFF5.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C5537
Deuteranopia (green-blind)
#7C7034
Tritanopia (blue-blind)
#CA103A
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b83838;
/* rgb */ color: rgb(184, 56, 56);
/* oklch */ color: oklch(53.0% 0.165 24.7);
Tailwind
colors: {
  custom: {
    50: '#d5776f',
    500: '#b83838',
    950: '#000000',
  },
}
SCSS
$custom: #b83838;
$custom-light: #d5776f;
$custom-dark: #000000;
JSON
{
  "hex": "#b83838",
  "rgb": {
    "r": 184,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 0,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5303,
    "c": 0.16467,
    "h": 24.7
  },
  "luminance": 0.13304
}

Semantic roles & 50–950 ramp

primary
#B83838
secondary
#85C7C7
accent
#DDDD4B
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160907
muted
#847B7A

Preview Lab

Preview with #B83838

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

Preview Lab → · Contrast checker → · Palette generator →

#B83838 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva