#B83440#B83440

#B83440 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.168 H 20.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#B83440
RGBrgb(184, 52, 64)
HSLhsl(355, 56%, 46%)
HSVhsv(355, 72%, 72%)
CMYKcmyk(0%, 71.7%, 65.2%, 27.8%)
CIE-LABlab(42.79, 53.22, 24.39)
CIE-LCHlch(42.79, 58.54, 24.62°)
OKLaboklab(52.75% 0.1575 0.058)
OKLCHoklch(52.75% 0.168 20.2)
XYZxyz(21.9229, 13.0197, 6.2082)
Luminance0.1302 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B83440 #34B8AC
analogous
#B83482 #B83440 #B86A34
triadic
#B83440 #40B834 #3440B8
tetradic
#B83440 #82B834 #34B8AC #6A34B8
square
#B83440 #82B834 #34B8AC #6A34B8
split-complementary
#B83440 #34B86A #3482B8
monochromatic
#59191F #88272F #B83440 #D05964 #DE8991

Accessibility & contrast

On white

5.83
#B83440 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.60
#B83440 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83440
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B83440#FFFFFF#000000##FFFFFF
##B834401.005.833.605.83
#FFFFFF5.831.0021.001.00
#0000003.6021.001.0021.00
##FFFFFF5.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#58533F
Deuteranopia (green-blind)
#7A6F3C
Tritanopia (blue-blind)
#CA0639
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b83440;
/* rgb */ color: rgb(184, 52, 64);
/* oklch */ color: oklch(52.7% 0.168 20.2);
Tailwind
colors: {
  custom: {
    50: '#d57574',
    500: '#b83440',
    950: '#000000',
  },
}
SCSS
$custom: #b83440;
$custom-light: #d57574;
$custom-dark: #000000;
JSON
{
  "hex": "#b83440",
  "rgb": {
    "r": 184,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.545,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52749,
    "c": 0.16784,
    "h": 20.2
  },
  "luminance": 0.13016
}

Semantic roles & 50–950 ramp

primary
#B83440
secondary
#80C8C1
accent
#DFD249
background
#FEF7F7
surface
#FCEDED
border
#D5C8C8
text
#160908
muted
#847B7B

Preview Lab

Preview with #B83440

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

Preview Lab → · Contrast checker → · Palette generator →

#B83440 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva