#B43833#B43833

#B43833 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.161 H 26.6°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#B43833
RGBrgb(180, 56, 51)
HSLhsl(2, 56%, 45%)
HSVhsv(2, 72%, 71%)
CMYKcmyk(0%, 68.9%, 71.7%, 29.4%)
CIE-LABlab(42.42, 49.67, 31.58)
CIE-LCHlch(42.42, 58.86, 32.44°)
OKLaboklab(52.27% 0.144 0.0722)
OKLCHoklch(52.27% 0.161 26.6)
XYZxyz(20.8364, 12.7737, 4.4997)
Luminance0.1277 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43833 #33AFB4
analogous
#B4336E #B43833 #B47933
triadic
#B43833 #33B438 #3833B4
tetradic
#B43833 #6EB433 #33AFB4 #7933B4
square
#B43833 #6EB433 #33AFB4 #7933B4
split-complementary
#B43833 #33B479 #336EB4
monochromatic
#551A18 #842925 #B43833 #CF5A55 #DC8885

Accessibility & contrast

On white

5.91
#B43833 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.55
#B43833 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43833
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43833#FFFFFF#000000##FFFFFF
##B438331.005.913.555.91
#FFFFFF5.911.0021.001.00
#0000003.5521.001.0021.00
##FFFFFF5.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5331
Deuteranopia (green-blind)
#7A6E2F
Tritanopia (blue-blind)
#C61238
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b43833;
/* rgb */ color: rgb(180, 56, 51);
/* oklch */ color: oklch(52.3% 0.161 26.6);
Tailwind
colors: {
  custom: {
    50: '#d2766b',
    500: '#b43833',
    950: '#000000',
  },
}
SCSS
$custom: #b43833;
$custom-light: #d2766b;
$custom-dark: #000000;
JSON
{
  "hex": "#b43833",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 51
  },
  "hsl": {
    "h": 2.326,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52272,
    "c": 0.16112,
    "h": 26.6
  },
  "luminance": 0.12771
}

Semantic roles & 50–950 ramp

primary
#B43833
secondary
#7DC3C6
accent
#D9DF49
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A

Preview Lab

Preview with #B43833

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

Preview Lab → · Contrast checker → · Palette generator →

#B43833 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva