#B73D31#B73D31

#B73D31 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.160 H 29.1°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#B73D31
RGBrgb(183, 61, 49)
HSLhsl(5, 58%, 45%)
HSVhsv(5, 73%, 72%)
CMYKcmyk(0%, 66.7%, 73.2%, 28.2%)
CIE-LABlab(43.70, 48.53, 34.34)
CIE-LCHlch(43.70, 59.45, 35.29°)
OKLaboklab(53.32% 0.1397 0.0777)
OKLCHoklch(53.32% 0.16 29.1)
XYZxyz(21.7539, 13.6297, 4.3904)
Luminance0.1363 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B73D31 #31ABB7
analogous
#B73168 #B73D31 #B78031
triadic
#B73D31 #31B73D #3D31B7
tetradic
#B73D31 #68B731 #31ABB7 #8031B7
square
#B73D31 #68B731 #31ABB7 #8031B7
split-complementary
#B73D31 #31B780 #3168B7
monochromatic
#561D17 #872D24 #B73D31 #D15F54 #DE8C84

Accessibility & contrast

On white

5.64
#B73D31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#B73D31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D31
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B73D31#FFFFFF#000000##FFFFFF
##B73D311.005.643.735.64
#FFFFFF5.641.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F562F
Deuteranopia (green-blind)
#7E712D
Tritanopia (blue-blind)
#C91B3B
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #b73d31;
/* rgb */ color: rgb(183, 61, 49);
/* oklch */ color: oklch(53.3% 0.160 29.1);
Tailwind
colors: {
  custom: {
    50: '#d4796a',
    500: '#b73d31',
    950: '#000000',
  },
}
SCSS
$custom: #b73d31;
$custom-light: #d4796a;
$custom-dark: #000000;
JSON
{
  "hex": "#b73d31",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 5.373,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53321,
    "c": 0.15982,
    "h": 29.1
  },
  "luminance": 0.13627
}

Semantic roles & 50–950 ramp

primary
#B73D31
secondary
#7CC1C8
accent
#D3E147
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160906
muted
#847B7A

Preview Lab

Preview with #B73D31

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

Preview Lab → · Contrast checker → · Palette generator →

#B73D31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva