#B73829#B73829

#B73829 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.166 H 30.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#B73829
RGBrgb(183, 56, 41)
HSLhsl(6, 63%, 44%)
HSVhsv(6, 78%, 72%)
CMYKcmyk(0%, 69.4%, 77.6%, 28.2%)
CIE-LABlab(42.85, 50.25, 37.91)
CIE-LCHlch(42.85, 62.95, 37.04°)
OKLaboklab(52.66% 0.1434 0.0834)
OKLCHoklch(52.66% 0.166 30.2)
XYZxyz(21.3453, 13.0589, 3.4941)
Luminance0.1306 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B73829 #29A8B7
analogous
#B72961 #B73829 #B77F29
triadic
#B73829 #29B738 #3829B7
tetradic
#B73829 #61B729 #29A8B7 #7F29B7
square
#B73829 #61B729 #29A8B7 #7F29B7
split-complementary
#B73829 #29B77F #2961B7
monochromatic
#531913 #85291E #B73829 #D65647 #E18479

Accessibility & contrast

On white

5.82
#B73829 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.61
#B73829 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73829
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B73829#FFFFFF#000000##FFFFFF
##B738291.005.823.615.82
#FFFFFF5.821.0021.001.00
#0000003.6121.001.0021.00
##FFFFFF5.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5326
Deuteranopia (green-blind)
#7C6F24
Tritanopia (blue-blind)
#CA0A36
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b73829;
/* rgb */ color: rgb(183, 56, 41);
/* oklch */ color: oklch(52.7% 0.166 30.2);
Tailwind
colors: {
  custom: {
    50: '#d57664',
    500: '#b73829',
    950: '#000000',
  },
}
SCSS
$custom: #b73829;
$custom-light: #d57664;
$custom-dark: #000000;
JSON
{
  "hex": "#b73829",
  "rgb": {
    "r": 183,
    "g": 56,
    "b": 41
  },
  "hsl": {
    "h": 6.338,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52658,
    "c": 0.16592,
    "h": 30.2
  },
  "luminance": 0.13056
}

Semantic roles & 50–950 ramp

primary
#B73829
secondary
#73C0C9
accent
#D5E641
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160905
muted
#847B7A

Preview Lab

Preview with #B73829

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

Preview Lab → · Contrast checker → · Palette generator →

#B73829 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva