#B83031#B83031

#B83031 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.173 H 25.2°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#B83031
RGBrgb(184, 48, 49)
HSLhsl(360, 59%, 45%)
HSVhsv(360, 74%, 72%)
CMYKcmyk(0%, 73.9%, 73.4%, 27.8%)
CIE-LABlab(42.05, 53.89, 32.51)
CIE-LCHlch(42.05, 62.94, 31.10°)
OKLaboklab(52.12% 0.1565 0.0736)
OKLCHoklch(52.12% 0.173 25.2)
XYZxyz(21.3809, 12.5293, 4.1977)
Luminance0.1253 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B83031 #30B8B7
analogous
#B83075 #B83031 #B87330
triadic
#B83031 #31B830 #3031B8
tetradic
#B83031 #75B830 #30B8B7 #7330B8
square
#B83031 #75B830 #30B8B7 #7330B8
split-complementary
#B83031 #30B873 #3075B8
monochromatic
#571717 #872324 #B83031 #D25354 #DF8484

Accessibility & contrast

On white

5.99
#B83031 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#B83031 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83031
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B83031#FFFFFF#000000##FFFFFF
##B830311.005.993.515.99
#FFFFFF5.991.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#585030
Deuteranopia (green-blind)
#7A6E2C
Tritanopia (blue-blind)
#CB0032
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b83031;
/* rgb */ color: rgb(184, 48, 49);
/* oklch */ color: oklch(52.1% 0.173 25.2);
Tailwind
colors: {
  custom: {
    50: '#d67369',
    500: '#b83031',
    950: '#000000',
  },
}
SCSS
$custom: #b83031;
$custom-light: #d67369;
$custom-dark: #000000;
JSON
{
  "hex": "#b83031",
  "rgb": {
    "r": 184,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.559,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5212,
    "c": 0.1729,
    "h": 25.2
  },
  "luminance": 0.12526
}

Semantic roles & 50–950 ramp

primary
#B83031
secondary
#7CC8C8
accent
#E2E146
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A

Preview Lab

Preview with #B83031

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

Preview Lab → · Contrast checker → · Palette generator →

#B83031 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva