#B43031#B43031

#B43031 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.169 H 25.1°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#B43031
RGBrgb(180, 48, 49)
HSLhsl(360, 58%, 45%)
HSVhsv(360, 73%, 71%)
CMYKcmyk(0%, 73.3%, 72.8%, 29.4%)
CIE-LABlab(41.28, 52.63, 31.44)
CIE-LCHlch(41.28, 61.31, 30.85°)
OKLaboklab(51.41% 0.153 0.0715)
OKLCHoklch(51.41% 0.169 25.1)
XYZxyz(20.4360, 12.0421, 4.1534)
Luminance0.1204 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43031 #30B4B3
analogous
#B43073 #B43031 #B47130
triadic
#B43031 #31B430 #3031B4
tetradic
#B43031 #73B430 #30B4B3 #7130B4
square
#B43031 #73B430 #30B4B3 #7130B4
split-complementary
#B43031 #30B471 #3073B4
monochromatic
#531617 #842324 #B43031 #D15152 #DD8182

Accessibility & contrast

On white

6.16
#B43031 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#B43031 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43031
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43031#FFFFFF#000000##FFFFFF
##B430311.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574F30
Deuteranopia (green-blind)
#776C2C
Tritanopia (blue-blind)
#C60032
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b43031;
/* rgb */ color: rgb(180, 48, 49);
/* oklch */ color: oklch(51.4% 0.169 25.1);
Tailwind
colors: {
  custom: {
    50: '#d37269',
    500: '#b43031',
    950: '#000000',
  },
}
SCSS
$custom: #b43031;
$custom-light: #d37269;
$custom-dark: #000000;
JSON
{
  "hex": "#b43031",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.545,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51414,
    "c": 0.16884,
    "h": 25.1
  },
  "luminance": 0.12039
}

Semantic roles & 50–950 ramp

primary
#B43031
secondary
#79C6C6
accent
#E1E047
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A

Preview Lab

Preview with #B43031

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

Preview Lab → · Contrast checker → · Palette generator →

#B43031 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva