#B83531#B83531

#B83531 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.168 H 26.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#B83531
RGBrgb(184, 53, 49)
HSLhsl(2, 58%, 46%)
HSVhsv(2, 73%, 72%)
CMYKcmyk(0%, 71.2%, 73.4%, 27.8%)
CIE-LABlab(42.71, 52.07, 33.27)
CIE-LCHlch(42.71, 61.79, 32.58°)
OKLaboklab(52.61% 0.1507 0.0753)
OKLCHoklch(52.61% 0.168 26.5)
XYZxyz(21.5971, 12.9616, 4.2698)
Luminance0.1296 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B83531 #31B4B8
analogous
#B83170 #B83531 #B87831
triadic
#B83531 #31B835 #3531B8
tetradic
#B83531 #70B831 #31B4B8 #7831B8
square
#B83531 #70B831 #31B4B8 #7831B8
split-complementary
#B83531 #31B878 #3170B8
monochromatic
#571917 #882724 #B83531 #D25855 #DE8885

Accessibility & contrast

On white

5.85
#B83531 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.59
#B83531 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83531
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B83531#FFFFFF#000000##FFFFFF
##B835311.005.853.595.85
#FFFFFF5.851.0021.001.00
#0000003.5921.001.0021.00
##FFFFFF5.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B532F
Deuteranopia (green-blind)
#7B6F2C
Tritanopia (blue-blind)
#CA0035
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b83531;
/* rgb */ color: rgb(184, 53, 49);
/* oklch */ color: oklch(52.6% 0.168 26.5);
Tailwind
colors: {
  custom: {
    50: '#d67569',
    500: '#b83531',
    950: '#000000',
  },
}
SCSS
$custom: #b83531;
$custom-light: #d67569;
$custom-dark: #000000;
JSON
{
  "hex": "#b83531",
  "rgb": {
    "r": 184,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 1.778,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52612,
    "c": 0.16844,
    "h": 26.5
  },
  "luminance": 0.12958
}

Semantic roles & 50–950 ramp

primary
#B83531
secondary
#7DC6C8
accent
#DDE147
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A

Preview Lab

Preview with #B83531

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

Preview Lab → · Contrast checker → · Palette generator →

#B83531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva